Etymology
The term ''constitution'' comes throughGeneral features
Generally, every modern written constitution confers specific powers on an organization or institutional entity, established upon the primary condition that it abides by the constitution's limitations. According to Scott Gordon, a political organization is constitutional to the extent that it "containHistory and development
Since 1789, along with the Constitution of the United States of America (U.S. Constitution), which is the oldest and shortest written constitution still in force, close to 800 constitutions have been adopted and subsequently amended around the world by independent states. In the late 18th century, Thomas Jefferson predicted that a period of 20 years would be the optimal time for any constitution to be still in force, since "the earth belongs to the living, and not to the dead." Indeed, according to recent studies,() the average life of any new written constitution is around 19 years. However, a great number of constitutions do not last more than 10 years, and around 10% do not last more than one year, as was the case of thePre-modern constitutions
Ancient
Excavations in modern-day Iraq byEarly Middle Ages
Many of the Germanic peoples that filled the power vacuum left by the Western Roman Empire in the Early Middle Ages codified their laws. One of the first of these Germanic law codes to be written was the Visigothic ''Code of Euric'' (471 AD). This was followed by the ''Middle Ages after 1000
The ''Pravda Yaroslava'', originally combined by Yaroslav the Wise the List of Ukrainian rulers, Grand Prince of Kyiv, was granted to Great Novgorod around 1017, and in 1054 was incorporated into the ''Russkaya Pravda, Ruska Pravda''; it became the law for all of Kievan Rus. It survived only in later editions of the 15th century. In England, Henry I of England, Henry I's proclamation of the Charter of Liberties in 1100 bound the king for the first time in his treatment of the clergy and the nobility. This idea was extended and refined by the English barony when they forced John of England, King John to sign ''Magna Carta'' in 1215. The most important single article of the ''Magna Carta'', related to "''habeas corpus''", provided that the king was not permitted to imprison, outlaw, exile or kill anyone at a whim – there must be due process of law first. This article, Article 39, of the ''Magna Carta'' read: This provision became the cornerstone of English liberty after that point. The social contract in the original case was between the king and the nobility, but was gradually extended to all of the people. It led to the system of Constitutional Monarchy, with further reforms shifting the balance of power from the monarchy and nobility to the British House of Commons, House of Commons. The Nomocanon of Saint Sava ( sr, Законоправило/Zakonopravilo) was the first Serbian constitution from 1219. St. Sava's Nomocanon was the compilation of Civil law (legal system), civil law, based on Roman Law, and canon law, based on Ecumenical Councils. Its basic purpose was to organize the functioning of the young Serbia in the Middle Ages, Serbian kingdom and the Serbian Ortodox Church, Serbian church. Saint Sava began the work on the Serbian Nomocanon in 1208 while he was at Mount Athos, using ''The Nomocanon in Fourteen Titles'', ''Synopsis of Stefan the Efesian'', ''Nomocanon of John Scholasticus'', and Ecumenical Council documents, which he modified with the canonical commentaries of Aristinos and Joannes Zonaras, local church meetings, rules of the Holy Fathers, the law of Moses, the translation of Prohiron, and the Byzantine emperors' Novellae Constitutiones, Novellae (most were taken from Justinian's Novellae). The Nomocanon was a completely new compilation of civil and canonical regulations, taken from Byzantine Empire, Byzantine sources but completed and reformed by St. Sava to function properly in Serbia. Besides decrees that organized the life of church, there are various norms regarding civil life; most of these were taken from Prohiron. Legal transplants of Roman Law, Roman-Byzantine law became the basis of the Serbian medieval law. The essence of Zakonopravilo was based on Corpus Iuris Civilis. Stefan Dušan, emperor of Serbs and Greeks, enacted Dušan's Code ( sr, Душанов Законик/Dušanov Zakonik) in Serbia, in two state congresses: in 1349 in Skopje and in 1354 in Serres. It regulated all social spheres, so it was the second Serbian constitution, after St. Sava's Nomocanon (Zakonopravilo). The Code was based on Roman Law, Roman-Byzantine law. The legal Legal transplants, transplanting within articles 171 and 172 of Dušan's Code, which regulated the juridical independence, is notable. They were taken from the Byzantine code Basilika (book VII, 1, 16–17). In 1222, Hungarian King Andrew II of Hungary, Andrew II issued the Golden Bull of 1222. Between 1220 and 1230, a Saxony, Saxon administrator, Eike von Repgow, composed the ''Sachsenspiegel'', which became the supreme law used in parts of Germany as late as 1900. Around 1240, the Coptic Egyptian Christian writer, 'Abul Fada'il Ibn al-'Assal, wrote the ''Fetha Negest'' in Arabic language, Arabic. 'Ibn al-Assal took his laws partly from apostolic writings and Mosaic law and partly from the former Byzantine Empire, Byzantine codes. There are a few historical records claiming that this law code was translated into Ge'ez language, Ge'ez and entered Ethiopia around 1450 in the reign of Zara Yaqob. Even so, its first recorded use in the function of a constitution (supreme law of the land) is with Sarsa Dengel beginning in 1563. The ''Fetha Negest'' remained the supreme law in Ethiopia until 1931, when a modern-style Constitution of Ethiopia, Constitution was first granted by Emperor Haile Selassie I. In the Principality of Catalonia, the Catalan constitutions were promulgated by the Court from 1283 (or even two centuries before, if Usatges of Barcelona is considered part of the compilation of Constitutions) until 1716, when Philip V of Spain gave the Nueva Planta decrees, finishing with the historical laws of Catalonia. These Constitutions were usually made formally as a royal initiative, but required for its approval or repeal the favorable vote of the Catalan Courts, the medieval antecedent of the modern Parliaments. These laws, like other modern constitutions, had preeminence over other laws, and they could not be contradicted by mere decrees or edicts of the king. The Kouroukan Fouga, Kouroukan Founga was a 13th-century charter of the Mali Empire, reconstructed from oral tradition in 1988 by Siriman Kouyaté. The Golden Bull of 1356 was a decree issued by a ''Imperial Diet (Holy Roman Empire), Reichstag'' in Nuremberg headed by Emperor Charles IV, Holy Roman Emperor, Charles IV that fixed, for a period of more than four hundred years, an important aspect of the constitutional structure of the Holy Roman Empire. In China, the Hongwu Emperor created and refined a document he called ''Huang Ming Zu Xun, Ancestral Injunctions'' (first published in 1375, revised twice more before his death in 1398). These rules served as a constitution for the Ming Dynasty for the next 250 years. The oldest written document still governing a sovereign nation today is that of San Marino. The ''Constitution of San Marino, Leges Statutae Republicae Sancti Marini'' was written in Latin and consists of six books. The first book, with 62 articles, establishes councils, courts, various executive officers, and the powers assigned to them. The remaining books cover criminal and civil law and judicial procedures and remedies. Written in 1600, the document was based upon the ''Statuti Comunali'' (Town Statute) of 1300, itself influenced by the ''Codex Justinianus'', and it remains in force today. In 1392 the ''Carta de Logu'' was legal code of the Giudicato of Arborea promulgated by the ''giudicessa'' Eleanor of Arborea, Eleanor. It was in force in Sardinia until it was superseded by the code of Charles Felix of Sardinia, Charles Felix in April 1827. The Carta was a work of great importance in Sardinian history. It was an organic, coherent, and systematic work of legislation encompassing the Civil law (area), civil and penal law. The ''Great Law of Peace, Gayanashagowa'', the oral constitution of the Haudenosaunee nation also known as the Great Law of Peace, established a system of governance as far back as 1190 AD (though perhaps more recently at 1451) in which the Sachems, or tribal chiefs, of the Iroquois League's member nations made decisions on the basis of universal consensus of all chiefs following discussions that were initiated by a single nation. The position of Sachem descends through families and are allocated by the senior female clan heads, though, prior to the filling of the position, candidacy is ultimately democratically decided by the community itself.Modern constitutions
In 1634 the Kingdom of Sweden adopted the Instrument of Government (1634), 1634 Instrument of Government, drawn up under the Lord High Chancellor of Sweden Axel Oxenstierna after the death of king Gustavus Adolphus, it can be seen as the first written constitution adopted by a modern state. In 1639, the Colony of Connecticut adopted the Fundamental Orders of Connecticut, Fundamental Orders, which was the first North American constitution, and is the basis for every new Connecticut constitution since, and is also the reason for Connecticut's nickname, "the Constitution State". The English Protectorate that was set up by Oliver Cromwell after the English Civil War promulgated the first detailed written constitution adopted by a modern state; it was called the Instrument of Government. This formed the basis of government for the short-lived republic from 1653 to 1657 by providing a legal rationale for the increasing power of Cromwell after Parliament consistently failed to govern effectively. Most of the concepts and ideas embedded into modern constitutional theory, especially bicameralism, separation of powers, the written constitution, and judicial review, can be traced back to the experiments of that period. Drafted by John Lambert (General), Major-General John Lambert in 1653, the ''Instrument of Government'' included elements incorporated from an earlier document "Heads of Proposals", which had been agreed to by the Army Council (1647), Army Council in 1647, as a set of propositions intended to be a basis for a constitutional settlement after King Charles I of England, Charles I was defeated in the First English Civil War. Charles had rejected the propositions, but before the start of the Second Civil War, the Grandee (New Model Army), Grandees of the New Model Army had presented the ''Heads of Proposals'' as their alternative to the more radical Agreement of the People presented by the Agitators and their civilian supporters at the Putney Debates. On January 4, 1649, the Rump Parliament declared "that the people are, under God, the original of all just power; that the Commons of England, being chosen by and representing the people, have the supreme power in this nation".Fritze, Ronald H. & Robison, William B. (1996). ''Historical dictionary of Stuart England, 1603–1689'', Greenwood Publishing Group,Democratic constitutions
What is sometimes called the "enlightened constitution" model was developed by philosophers of the Age of Enlightenment such as Thomas Hobbes, Jean-Jacques Rousseau, and John Locke. The model proposed that constitutional governments should be stable, adaptable, accountable, open and should represent the people (i.e., support democracy). ''Constitution of Pylyp Orlyk, Agreements and Constitutions of Laws and Freedoms of the Zaporizian Host'' was written in 1710 by Pylyp Orlyk, ''hetman'' of the Zaporozhian Host. It was written to establish a free Cossack Hetmanate, Zaporozhian-Ukrainian Republic, with the support of Charles XII of Sweden. It is notable in that it established a democratic standard for the separation of powers in government between the legislative, executive, and judiciary branches, well before the publication of Montesquieu's ''Spirit of the Laws''. This Constitution also limited the executive authority of the ''hetman'', and established a democratically elected Cossack parliament called the General Council. However, Orlyk's project for an independent Ukraine, Ukrainian State never materialized, and his constitution, written in exile, never went into effect. Corsican Constitutions of 1755 and 1794 were inspired by Jean-Jacques Rousseau. The latter introduced universal suffrage for property owners. The Instrument of Government (1772), Swedish constitution of 1772 was enacted under King Gustavus III and was inspired by the separation of powers by Montesquieu. The king also cherished other Age of Enlightenment, enlightenment ideas (as an Enlightened absolutism, enlighted despot) and repealed torture, liberated agricultural trade, diminished the use of thePrinciples of constitutional design
After tribal people first began to live in cities and establish nations, many of these functioned according to unwritten customs, while some developed autocratic, even tyrannical monarchs, who rule by decree, ruled by decree, or mere personal whim. Such rule led some thinkers to take the position that what mattered was not the design of governmental institutions and operations, as much as the character of the rulers. This view can be seen in Plato, who called for rule by "philosopher-kings." Later writers, such as Aristotle, Cicero and Plutarch, would examine designs for government from a legal and historical standpoint. The Renaissance brought a series of political philosophers who wrote implied criticisms of the practices of monarchs and sought to identify principles of constitutional design that would be likely to yield more effective and just governance from their viewpoints. This began with revival of the Roman law of nations concept and its application to the relations among nations, and they sought to establish customary "laws of war and peace" to ameliorate wars and make them less likely. This led to considerations of what authority monarchs or other officials have and don't have, from where that authority derives, and the remedies for the abuse of such authority. A seminal juncture in this line of discourse arose in England from the English Civil War, Civil War, the Oliver Cromwell, Cromwellian Commonwealth of England, Protectorate, the writings of Thomas Hobbes, Samuel Rutherford, the Levellers, John Milton, and James Harrington (author), James Harrington, leading to the debate between Robert Filmer, arguing for the divine right of monarchs, on the one side, and on the other, Henry Neville (writer), Henry Neville, James Tyrrell (writer), James Tyrrell, Algernon Sidney, and John Locke. What arose from the latter was a concept of government being erected on the foundations of first, a state of nature governed by natural laws, then a state of society, established by a social contract or compact, which bring underlying natural or social laws, before governments are formally established on them as foundations. Along the way several writers examined how the design of government was important, even if the government were headed by a monarch. They also classified various historical examples of governmental designs, typically into democracies, aristocracies, or monarchies, and considered how just and effective each tended to be and why, and how the advantages of each might be obtained by combining elements of each into a more complex design that balanced competing tendencies. Some, such as Montesquieu, also examined how the functions of government, such as legislative, executive, and judicial, might appropriately be separated into branches. The prevailing theme among these writers was that the design of constitutions is not completely arbitrary or a matter of taste. They generally held that there are underlying principles of design that constrain all constitutions for every polity or organization. Each built on the ideas of those before concerning what those principles might be. The later writings of Orestes Brownson would try to explain what constitutional designers were trying to do. According to Brownson there are, in a sense, three "constitutions" involved: The first the ''constitution of nature'' that includes all of what was called "natural law." The second is the ''constitution of society'', an unwritten and commonly understood set of rules for the society formed by a social contract before it establishes a government, by which it establishes the third, a ''constitution of government''. The second would include such elements as the making of decisions by public Convention (meeting), conventions called by public notice and conducted by established Parliamentary procedure, rules of procedure. Each constitution must be consistent with, and derive its authority from, the ones before it, as well as from a historical act of society formation or constitutional ratification. Brownson argued that a state (polity), state is a society with effective dominion over a well-defined territory, that consent to a well-designed constitution of government arises from presence on that territory, and that it is possible for provisions of a written constitution of government to be "unconstitutional" if they are inconsistent with the constitutions of nature or society. Brownson argued that it is not ratification alone that makes a written constitution of government legitimate, but that it must also be competently designed and applied. Other writers have argued that such considerations apply not only to all national constitutions of government, but also to the constitutions of private organizations, that it is not an accident that the constitutions that tend to satisfy their members contain certain elements, as a minimum, or that their provisions tend to become very similar as they are amended after experience with their use. Provisions that give rise to certain kinds of questions are seen to need additional provisions for how to resolve those questions, and provisions that offer no course of action may best be omitted and left to policy decisions. Provisions that conflict with what Brownson and others can discern are the underlying "constitutions" of nature and society tend to be difficult or impossible to execute, or to lead to unresolvable disputes. Constitutional design has been treated as a kind of metagame in which play consists of finding the best design and provisions for a written constitution that will be the rules for the game of government, and that will be most likely to optimize a balance of the utilities of justice, liberty, and security. An example is the metagame Nomic. Political economy theory regards constitutions as coordination devices that help citizens to prevent rulers from abusing power. If the citizenry can coordinate a response to police government officials in the face of a constitutional fault, then the government have the incentives to honor the rights that the constitution guarantees. An alternative view considers that constitutions are not enforced by the citizens at-large, but rather by the administrative powers of the state. Because rulers cannot themselves implement their policies, they need to rely on a set of organizations (armies, courts, police agencies, tax collectors) to implement it. In this position, they can directly sanction the government by refusing to cooperate, disabling the authority of the rulers. Therefore, constitutions could be characterized by a self-enforcing equilibria between the rulers and powerful administrators.Key features
Most commonly, the term ''constitution'' refers to a set of rules and principles that define the nature and extent of government. Most constitutions seek to regulate the relationship between institutions of the state, in a basic sense the relationship between the executive, legislature and the judiciary, but also the relationship of institutions within those branches. For example, executive branches can be divided into a head of government, government departments/ministries, executive agencies and a civil service/administration. Most constitutions also attempt to define the relationship between individuals and the state, and to establish the broad rights of individual citizens. It is thus the most basic law of a territory from which all the other laws and rules are hierarchically derived; in some territories it is in fact called "Basic Law".Classification
Classification
Codification
A fundamental classification is codification or lack of codification. A codified constitution is one that is contained in a single document, which is the single source of constitutional law in a state. An uncodified constitution is one that is not contained in a single document, consisting of several different sources, which may be written or unwritten; see constitutional convention (political custom), constitutional convention.=Codified constitution
= Most states in the world have codified constitutions. Codified constitutions are often the product of some dramatic political change, such as a revolution. The process by which a country adopts a constitution is closely tied to the historical and political context driving this fundamental change. The legitimacy (and often the longevity) of codified constitutions has often been tied to the process by which they are initially adopted and some scholars have pointed out that high constitutional Wiki-constitutionalism, turnover within a given country may itself be detrimental to separation of powers and the rule of law. States that have codified constitutions normally give the constitution supremacy over ordinary statute law. That is, if there is any conflict between a legal statute and the codified constitution, all or part of the statute can be declared ''ultra vires'' by a court, and struck down as Constitutionality, unconstitutional. In addition, exceptional procedures are often required to constitutional amendment, amend a constitution. These procedures may include: convocation of a special constituent assembly or constitutional convention, requiring a supermajority of legislators' votes, approval in two terms of parliament, the consent of regional legislatures, a referendum process, and/or other procedures that make amending a constitution more difficult than passing a simple law. Constitutions may also provide that their Entrenched clause, most basic principles can never be abolished, even by amendment. In case a formally valid amendment of a constitution infringes these principles protected against any amendment, it may constitute a so-called ''unconstitutional constitutional law''. Codified constitutions normally consist of a ceremonial preamble, which sets forth the goals of the state and the motivation for the constitution, and several articles containing the substantive provisions. The preamble, which is omitted in some constitutions, may contain a Constitutional references to God, reference to God and/or to fundamental values of the state such as liberty, democracy or human rights. In ethnic nation-states such as Estonia, the mission of the state can be defined as preserving a specific nation, language and culture.=Uncodified constitution
= only two sovereign states, New Zealand and the United Kingdom, have wholly uncodified constitutions. The Basic Laws of Israel have since 1950 been intended to be the basis for a constitution, but as of 2017 it had not been drafted. The various Laws are considered to have precedence over other laws, and give the procedure by which they can be amended, typically by a simple majority of members of the Knesset (parliament). Article gives information on the procedures for amending each of the Basic Laws of Israel. Uncodified constitutions are the product of an "evolution" of laws and conventions over centuries (such as in the Westminster System that developed in Britain). By contrast to codified constitutions, uncodified constitutions include both written sources – e.g. constitutional statutes enacted by the Parliament – and unwritten sources – Constitutional convention (political custom), constitutional conventions, observation of precedents, royal prerogatives, convention (norm), customs and traditions, such as holding general elections on Thursdays; together these constitute British constitutional law.=Mixed constitutions
= Some constitutions are largely, but not wholly, codified. For example, in the Constitution of Australia, most of its fundamental political principles and regulations concerning the relationship between branches of government, and concerning the government and the individual are codified in a single document, the Constitution of the Commonwealth of Australia. However, the presence of statutes with constitutional significance, namely the Statute of Westminster 1931, Statute of Westminster, as adopted by the Commonwealth in the Statute of Westminster Adoption Act 1942, and the Australia Act 1986 means that Australia's constitution is not contained in a single constitutional document. It means the Constitution of Australia is uncodified, it also contains Constitutional convention (political custom), constitutional conventions, thus is partially unwritten. The Constitution of Canada resulted from the passage of several British North America Acts from 1867 to the Canada Act 1982, the act that formally severed British Parliament's ability to amend the Canadian constitution. The Canadian constitution includes specific legislative acts as mentioned in section 52(2) of the Constitution Act, 1982. However, some documents not explicitly listed in section 52(2) are also considered constitutional documents in Canada, entrenched via reference; such as the Proclamation of 1763. Although Canada's constitution includes List of Canadian constitutional documents, a number of different statutes, amendments, and references, some constitutional rules that exist in Canada is derived from unwritten sources and constitutional conventions. The terms ''written constitution'' and ''codified constitution'' are often used interchangeably, as are ''unwritten constitution'' and ''uncodified constitution'', although this usage is technically inaccurate. A codified constitution is a single document; states that do not have such a document have uncodified, but not entirely unwritten, constitutions, since much of an uncodified constitution is usually written in laws such as the Basic Laws of Israel and the Parliament Acts 1911 and 1949, Parliament Acts of the United Kingdom. Uncodified constitutions largely lack protection against amendment by the government of the time. For example, the U.K. Fixed-term Parliaments Act 2011 legislated by simple majority for strictly Fixed-term election, fixed-term parliaments; until then the ruling party could call a general election at any convenient time up to the maximum term of five years. This change would require a constitutional amendment in most nations.Amendments
A constitutional amendment is a modification of the constitution of aMethods of amending
''Some countries are listed under more than one method because alternative procedures may be used.''Entrenched clauses
An entrenched clause or entrenchment clause of a basic law or constitution is a provision that makes certain amendments either more difficult or impossible to pass, making such amendments inadmissible. Overriding an entrenched clause may require a supermajority, a referendum, or the consent of the minority party. For example, the U.S. Constitution has an entrenched clause that Article_Five_of_the_United_States_Constitution#Constitutional_clauses_shielded_from_amendment, prohibits abolishing equal suffrage of the States within the Senate without their consent. The term eternity clause is used in a similar manner in the constitutions of the Constitution of the Czech Republic, Czech Republic, Constitution of Germany, Germany, Constitution of Turkey, Turkey, Constitution of Greece, Greece, Constitution of Italy, Italy, Constitution of Morocco, Morocco, Constitution of the Islamic Republic of Iran, the Islamic Republic of Iran, Constitution of Brazil, Brazil and Constitution of Norway, Norway. Constitution of India, India doesn't contain specific provisions on entrenched clauses but the basic structure doctrine makes it impossible for certain basic features of the Constitution to be altered or destroyed by the Parliament of India through an amendment of the Constitution of India, amendment. Constitution of Colombia, Colombia also doesn't have explicit entrenched clauses but has similarly put a substantive limit on amending fundamental principles of their constitution through judicial interpretations.Constitutional rights and duties
Constitutions include various rights and duties. These include the following: * Duty to pay taxes * Conscription, Duty to serve in the military * Duty to work * Suffrage, Right to vote * Freedom of assembly * Freedom of association * Freedom of speech, Freedom of expression * Freedom of movement * Freedom of thought * Freedom of the press * Freedom of religion * Right to dignity * Right to civil marriage * Right to petition * Right to academic freedom * Right to keep and bear arms, Right to bear arms * Right to Conscientious objector, conscientious objection * Right to a Right to a fair trial, fair trial * Right to personal development * Right to start a family * Freedom of information laws by country, Right to information * Right to marriage * Right of revolution * Right to privacy * Right to protect one's reputation * Right to Renunciation of citizenship, renounce citizenship * Children's rights, Rights of children * Rights of debtorsSeparation of powers
Constitutions usually explicitly divide power between various branches of government. The standard model, described by the Charles de Secondat, baron de Montesquieu, Baron de Montesquieu, involves three branches of government: executive branch, executive, legislature, legislative and judiciary, judicial. Some constitutions include additional branches, such as an audit, auditory branch. Constitutions vary extensively as to the degree of separation of powers between these branches.Accountability
In Presidential system, presidential and semi-presidential systems of government, department secretaries/ministers are accountable to the President (government title), president, who has patronage powers to appoint and dismiss ministers. The president is accountable to the people in an election. In parliamentary systems, Cabinet Ministers are accountable to Parliament, but it is the prime minister who appoints and dismisses them. In the case of the United Kingdom and other countries with a monarchy, it is the monarch who appoints and dismisses ministers, on the advice of the prime minister. In turn the prime minister will resign if the government loses the confidence of the parliament (or a part of it). Confidence can be lost if the government loses a vote of no confidence or, depending on the country, loses a particularly important vote in parliament, such as vote on the budget. When a government loses confidence, it stays in office until a new government is formed; something which normally but not necessarily required the holding of a general election.Other independent institutions
Other independent institutions which some constitutions have set out include a central bank, an List of anti-corruption agencies, anti-corruption commission, an Election commission, electoral commission, a judicial oversight body, a human rights commission, a media commission, an ombudsman, and a truth and reconciliation commission.Power structure
Constitutions also establish where sovereignty is located in the state. There are three basic types of distribution of sovereignty according to the degree of centralisation of power: unitary, federal, and confederal. The distinction is not absolute. In a unitary state, sovereignty resides in the state itself, and the constitution determines this. The territory of the state may be divided into regions, but they are not sovereign and are subordinate to the state. In the UK, the constitutional doctrine of Parliamentary sovereignty dictates that sovereignty is ultimately contained at the centre. Some powers have been devolution, devolved to Northern Ireland, Scotland, and Wales (but not England). Some unitary states (Spain is an example) devolve more and more power to sub-national governments until the state functions in practice much like a federal state. A federal state has a central structure with at most a small amount of territory mainly containing the institutions of the federal government, and several regions (called ''states'', ''provinces'', etc.) which compose the territory of the whole state. Sovereignty is divided between the centre and the constituent regions. The constitutions of Canada and the United States establish federal states, with power divided between the federal government and the provinces or states. Each of the regions may in turn have its own constitution (of unitary nature). A confederal state comprises again several regions, but the central structure has only limited coordinating power, and sovereignty is located in the regions. Confederal constitutions are rare, and there is often dispute to whether so-called "confederal" states are actually federal. To some extent a group of states which do not constitute a federation as such may by treaty, treaties and accords give up parts of their sovereignty to a Supranational union, supranational entity. For example, the countries constituting the European Union have agreed to abide by some Union-wide measures which restrict their absolute sovereignty in some ways, e.g., the use of the metric system of measurement instead of national units previously used.State of emergency
Many constitutions allow the declaration under exceptional circumstances of some form of state of emergency during which some rights and guarantees are suspended. This provision can be and has been abused to allow a government to suppress dissent without regard for human rights – see the article on state of emergency.Facade constitutions
Italian political theorist Giovanni Sartori noted the existence of national constitutions which are a facade for authoritarian sources of power. While such documents may express respect for human rights or establish an independent judiciary, they may be ignored when the government feels threatened, or never put into practice. An extreme example was the Constitution of the Soviet Union that on paper supported freedom of assembly and freedom of speech; however, citizens who transgressed unwritten limits were summarily Political prisoner, imprisoned. The example demonstrates that the protections and benefits of a constitution are ultimately provided not through its written terms but through deference by government and society to its principles. A constitution may change from being real to a facade and back again as democratic and autocratic governments succeed each other.Constitutional courts
Constitutions are often, but by no means always, protected by a legal body whose job it is to interpret those constitutions and, where applicable, declare void executive and legislative acts which infringe the constitution. In some countries, such as Germany, this function is carried out by a dedicated constitutional court which performs this (and only this) function. In other countries, such as Republic of Ireland, Ireland, the ordinary courts may perform this function in addition to their other responsibilities. While elsewhere, like in the United Kingdom, the concept of declaring an act to be unconstitutional does not exist. A constitutional violation is an action or legislative act that is judged by a constitutional court to be contrary to the constitution, that is, unconstitutional. An example of constitutional violation by the executive could be a public office holder who acts outside the powers granted to that office by a constitution. An example of constitutional violation by the legislature is an attempt to pass a law that would contradict the constitution, without first going through the proper constitutional amendment process. Some countries, mainly those with uncodified constitutions, have no such courts at all. For example, the United Kingdom has traditionally operated under the principle of parliamentary sovereignty under which the laws passed by United Kingdom Parliament could not be questioned by the courts.See also
* Basic law, equivalent in some countries, often for a temporary constitution * Apostolic constitution (a class of Catholic Church documents) * Consent of the governed * Constitution of the Roman Republic * Constitutional amendment * Constitutional court * Constitutional crisis * Constitutional economics * Constitutionalism * Constitutional documents, Corporate constitutional documents * International constitutional law * Judicial activism * Judicial restraint * Judicial review * Philosophy of law * Rule of law * Rule according to higher law ''Judicial philosophies of constitutional interpretation (note: generally specific to United States constitutional law)'' * List of national constitutions * Originalism * Strict constructionism * Textualism * Treaty establishing a Constitution for Europe, Proposed European Union constitution ** Treaty of Lisbon (adopts same changes, but without constitutional name) * United Nations CharterFurther reading
* Zachary Elkins and Tom Ginsburg. 2021. "doi:10.1146/annurev-polisci-100720-102911, What Can We Learn from Written Constitutions?" ''Annual Review of Political Science''.References
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