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Collective security can be understood as a security
arrangement In music, an arrangement is a musical adaptation of an existing composition. Differences from the original composition may include reharmonization, melodic paraphrasing, orchestration, or formal development. Arranging differs from orches ...
, political, regional, or global, in which each state in the system accepts that the
security Security is protection from, or resilience against, potential harm (or other unwanted coercive change) caused by others, by restraining the freedom of others to act. Beneficiaries (technically referents) of security may be of persons and social ...
of one is the concern of all, and therefore commits to a collective response to threats to, and breaches of peace. Collective security is more ambitious than systems of alliance security or
collective defense Collective security can be understood as a security treaty, arrangement, political, regional, or global, in which each state in the system accepts that the security of one is the concern of all, and therefore commits to a collective response to t ...
in that it seeks to encompass the totality of states within a region or indeed globally, and to address a wide range of possible threats. While collective security is an idea with a long history, its implementation in practice has proved problematic. Several prerequisites have to be met for it to have a chance of working. It is the theory or practice of states pledging to defend one another in order to deter aggression or to target a transgressor if international order has been breached.


History


Early mentions

Collective security is one of the most promising approaches for peace and a valuable device for power management on an international scale.
Cardinal Richelieu Armand Jean du Plessis, Duke of Richelieu (; 9 September 1585 – 4 December 1642), known as Cardinal Richelieu, was a French clergyman and statesman. He was also known as ''l'Éminence rouge'', or "the Red Eminence", a term derived from the ...
proposed a scheme for collective security in 1629, which was partially reflected in the 1648
Peace of Westphalia The Peace of Westphalia (german: Westfälischer Friede, ) is the collective name for two peace treaties signed in October 1648 in the Westphalian cities of Osnabrück and Münster. They ended the Thirty Years' War (1618–1648) and brought pea ...
. In the eighteenth century many proposals were made for collective security arrangements, especially in Europe. The concept of a peaceful community of nations was outlined in 1795 in
Immanuel Kant Immanuel Kant (, , ; 22 April 1724 – 12 February 1804) was a German philosopher and one of the central Enlightenment thinkers. Born in Königsberg, Kant's comprehensive and systematic works in epistemology, metaphysics, ethics, and ...
's '' Perpetual Peace: A Philosophical Sketch''. Kant outlined the idea of a league of nations that would control conflict and promote peace between states. However, he argues for the establishment of a peaceful world community not in a sense that there be a
global government World government is the concept of a single political authority with jurisdiction over all humanity. It is conceived in a variety of forms, from tyrannical to democratic, which reflects its wide array of proponents and detractors. A world gove ...
but in the hope that each state would declare itself as a free state that respects its citizens and welcomes foreign visitors as fellow rational beings. His key argument is that a union of free states would promote peaceful society worldwide: therefore, in his view, there can be a perpetual peace shaped by the international community rather than by a world government. International cooperation to promote collective security originated in the Concert of Europe that developed after the
Napoleonic Wars The Napoleonic Wars (1803–1815) were a series of major global conflicts pitting the French Empire and its allies, led by Napoleon I, against a fluctuating array of European states formed into various coalitions. It produced a period of Fren ...
in the nineteenth century in an attempt to maintain the ''status quo'' between European states and so avoid war. This period also saw the development of international law with the first
Geneva Conventions upright=1.15, Original document in single pages, 1864 The Geneva Conventions are four treaties, and three additional protocols, that establish international legal standards for humanitarian treatment in war. The singular term ''Geneva Conven ...
establishing laws about humanitarian relief during war and the international Hague Conventions of 1899 and 1907 governing rules of war and the peaceful settlement of international disputes. The forerunner of the League of Nations, the
Inter-Parliamentary Union The Inter-Parliamentary Union (IPU; french: Union Interparlementaire, UIP) is an inter-parliamentary institution, international organization of national parliaments. Its primary purpose is to promote democratic governance, accountability, and coop ...
(IPU), was formed by peace activists
William Randal Cremer Sir William Randal Cremer (18 March 1828 – 22 July 1908) usually known by his middle name "Randal", was a British Liberal Member of Parliament, a pacifist, and a leading advocate for international arbitration. He was awarded the Nobel Peace Pr ...
and Frédéric Passy in 1889. The organization was international in scope with a third of the members of
parliament In modern politics, and history, a parliament is a legislative body of government. Generally, a modern parliament has three functions: Representation (politics), representing the Election#Suffrage, electorate, making laws, and overseeing ...
, in the 24 countries with parliaments, serving as members of the IPU by 1914. Its aims were to encourage governments to solve international disputes by peaceful means and arbitration and annual conferences were held to help governments refine the process of international arbitration. The IPU's structure consisted of a Council headed by a President which would later be reflected in the structure of the League. At the start of the twentieth century two power blocs emerged through alliances between the European
Great Powers A great power is a sovereign state that is recognized as having the ability and expertise to exert its influence on a global scale. Great powers characteristically possess military and economic strength, as well as diplomatic and soft power in ...
. It was these alliances that came into effect at the start of the First World War in 1914, drawing all the major European powers into the war. This was the first major war in Europe between
industrialized Industrialisation ( alternatively spelled industrialization) is the period of social and economic change that transforms a human group from an agrarian society into an industrial society. This involves an extensive re-organisation of an econom ...
countries and the first time in Western Europe the results of
industrialization Industrialisation ( alternatively spelled industrialization) is the period of social and economic change that transforms a human group from an agrarian society into an industrial society. This involves an extensive re-organisation of an econo ...
(for example
mass production Mass production, also known as flow production or continuous production, is the production of substantial amounts of standardized products in a constant flow, including and especially on assembly lines. Together with job production and batch ...
) had been dedicated to war. The result of this
industrial warfare Industrial warfare is a period in the history of warfare ranging roughly from the early 19th century and the start of the Industrial Revolution to the beginning of the Atomic Age, which saw the rise of nation-states, capable of creating and equi ...
was an unprecedented casualty level with eight and a half million members of armed services dead, an estimated 21 million wounded, and approximately 10 million civilian deaths. By the time the fighting ended in November 1918, the war had had a profound impact, affecting the social, political and economic systems of
Europe Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a Continent#Subcontinents, subcontinent of Eurasia ...
and inflicting psychological and physical damage on the continent. Anti-war sentiment rose across the world; the First World War was described as "
the war to end all wars "The war to end war" (also "The war to end all wars"; originally from the 1914 book '' The War That Will End War'' by H. G. Wells) is a term for the First World War of 1914–1918. Originally an idealistic slogan, it is now mainly used sardonic ...
", and its possible causes were vigorously investigated. The causes identified included
arms race An arms race occurs when two or more groups compete in military superiority. It consists of a competition between two or more states to have superior armed forces; a competition concerning production of weapons, the growth of a military, and t ...
s, alliances, secret diplomacy, and the freedom of
sovereign state A sovereign state or sovereign country, is a polity, political entity represented by one central government that has supreme legitimate authority over territory. International law defines sovereign states as having a permanent population, defin ...
s to enter into war for their own benefit. The perceived remedies to these were seen as the creation of an international organization whose aim was to prevent future war through
disarmament Disarmament is the act of reducing, limiting, or abolishing weapons. Disarmament generally refers to a country's military or specific type of weaponry. Disarmament is often taken to mean total elimination of weapons of mass destruction, such as n ...
, open diplomacy, international co-operation, restrictions on the right to wage wars, and penalties that made war unattractive to nations. In a 1945 ''American Political Science Review'' article,
Frederick L. Schuman Frederick Lewis Schuman (1904–1981) was an American professor of history, political science and international relations at Williams College. Career Schuman was a professor of history at University of Chicago and then for 32 years at Williams Col ...
criticized notions that a new collective security organization could contribute to world peace. Schuman pointed to examples from history of collective security organizations that failed to facilitate world peace. He argued that the organization that would become the United Nations could only facilitate world peace if the United States, the Soviet Union, and the United Kingdom worked in unison, but that the organization would fail if there were divisions between the three powers.


Theory

Collective security can be understood as a security arrangement in which all states cooperate collectively to provide security for all by the actions of all against any states within the groups which might challenge the existing order by using force. That contrasts with self-help strategies of engaging in war for purely-immediate national interest. While collective security is possible, several prerequisites must be met for it to work. Collective security also contrasts with alliances by different ways. In a Ph.D dissertation by Andreatta, collective security is based on the perspective of all together in a group against any of them, rather than on unilateral idea of some against specific others. Alliances have the form of two groups against each other, such as states A+B+C against states Y+Z; however, collective security takes the form of conducting one agreement between A+B+C+Y+Z against any of them. Moreover, it is also different from an alliance since collective security is made to focus on internal regulation required universal membership, but alliance is made to deter or reduce an outside threat as an exclusive institution. In an alliance, a state would see its allies as an absolute gain and its enemies as a
relative gains Relative gain, in international relations, is the actions of states only in respect to power balances and without regard to other factors, such as economics. In international relations, cooperation may be necessary to balance power, but concerns ...
without legal obligation. In contrast, collective security follows the case of neutrality, as the whole group is required to punish the aggressor in the hope for it not to violate general norms, which are beyond the states' control, rather than by their self-interest. The opposite of short-term interest in which allies fight against a common threat, collective security tends to use universal interests for global peace. Sovereign nations eager to maintain the status quo willingly co-operate and accept a degree of vulnerability and, in some cases for minor nations, also accede to the interests of the chief contributing nations organising the collective security. It is achieved by setting up an international co-operative organisation under the auspices of international law, which gives rise to a form of international collective governance, despite being limited in scope and effectiveness. The collective security organisation then becomes an arena for diplomacy, the balance of power, and the exercise of soft power. The use of hard power by states, unless legitimised by the collective security organisation, is considered illegitimate, reprehensible, and necessitating remediation of some kind. The collective security organisation not only gives cheaper security but also may be the only practicable means of security for smaller nations against more powerful threatening neighbours without needing to join the camp of the nations that balance their neighbours. The concept of "collective security" was pioneered by
Baháʼu'lláh Baháʼu'lláh (born Ḥusayn-ʻAlí; 12 November 1817 – 29 May 1892) was the founder of the Baháʼí Faith. He was born to an aristocratic family in Persia, and was exiled due to his adherence to the messianic Bábí Faith. In 1863, in I ...
, Michael Joseph Savage, Martin Wight,
Immanuel Kant Immanuel Kant (, , ; 22 April 1724 – 12 February 1804) was a German philosopher and one of the central Enlightenment thinkers. Born in Königsberg, Kant's comprehensive and systematic works in epistemology, metaphysics, ethics, and ...
, and
Woodrow Wilson Thomas Woodrow Wilson (December 28, 1856February 3, 1924) was an American politician and academic who served as the 28th president of the United States from 1913 to 1921. A member of the Democratic Party, Wilson served as the president of ...
and was deemed to apply interests in security in a broad manner to "avoid grouping powers into opposing camps, and refusing to draw dividing lines that would leave anyone out." The term "collective security" has also been cited as a principle of the
United Nations The United Nations (UN) is an intergovernmental organization whose stated purposes are to maintain international peace and international security, security, develop friendly relations among nations, achieve international cooperation, and be ...
and earlier the
League of Nations The League of Nations (french: link=no, Société des Nations ) was the first worldwide intergovernmental organisation whose principal mission was to maintain world peace. It was founded on 10 January 1920 by the Paris Peace Conference that ...
. By employing a system of collective security, the United Nations hopes to dissuade any member state from acting in a manner likely to threaten peace and thus avoid a conflict. Collective security selectively incorporates the concept of both balance of power and
global government World government is the concept of a single political authority with jurisdiction over all humanity. It is conceived in a variety of forms, from tyrannical to democratic, which reflects its wide array of proponents and detractors. A world gove ...
. However, collective security is not the same as the balance of power, which is important in
realism Realism, Realistic, or Realists may refer to: In the arts *Realism (arts), the general attempt to depict subjects truthfully in different forms of the arts Arts movements related to realism include: *Classical Realism *Literary realism, a move ...
. According to Adreatta, the balance of power focuses on a state's unilateral interests in stopping aggression. Since states look at the world as having a security dilemma because of the fear of relative gain, a state does not want any state to become predominant and so causes a mutually-restraining equilibrium. In other words, the balance of power between states supports the decentralization of power. States are separate actors and do not subordinate their
autonomy In developmental psychology and moral, political, and bioethical philosophy, autonomy, from , ''autonomos'', from αὐτο- ''auto-'' "self" and νόμος ''nomos'', "law", hence when combined understood to mean "one who gives oneself one's ...
or sovereignty to a central government. "Singly or in combinations reflecting the coincidence of interests, States seek to influence the pattern of power distribution and to determine their own places within that pattern." The expectations of order and peace come from the belief that competing powers will somehow balance and thereby neutralize one another to produce "deterrence through equilibration."Claude, p. 222 In contrast, under collective security, states share the long term goal of global peace, reversing relationship between individual and community goals mentioned in the balance of power theory, which fails to maintain stability. For example, it led to break down of war during the case of Napoleonic Wars and the World Wars, when states unilaterally decided to be unwilling or unable to fight. At the same time, the concept of global government is about centralization. Global government is a centralized institutional system that possesses the power use of force like a well-established sovereign nation-state. The concept strips states of their "standing as centers of power and policy, where issues of war and peace are concerned" and superimposes on them "an institution possessed of the authority and capability to maintain, by unchallengeable force so far as may be necessary, the order and stability of a global community." Despite different characteristics of balance of power theory, collective security selectively incorporates both concepts, centralization and decentralization, which can boil down to the phrase "order without government." Thus, collective security seems to be more reliable alternative since it gathers power as a team to punish the aggressor, and it is an attempt to improve international relations and to provide solid rules under
anarchy Anarchy is a society without a government. It may also refer to a society or group of people that entirely rejects a set hierarchy. ''Anarchy'' was first used in English in 1539, meaning "an absence of government". Pierre-Joseph Proudhon adopted ...
.


Basic assumptions

Organski (1960) lists five basic assumptions underlying the theory of collective security: * In an armed conflict, member nation-states can agree on which nation is the aggressor. * All member nation-states are equally committed to contain and constrain the aggression, irrespective of its source or origin. * All member nation-states have an identical freedom of action and ability to join in proceedings against the aggressor. * The cumulative power of the cooperating members of the alliance for collective security is adequate and sufficient to overpower the might of the aggressor. * In the light of the threat posed by the collective might of the nations of a collective security coalition, the aggressor nation will either modify its policies or be defeated.


Prerequisites

Morgenthau (1948) states that three prerequisites must be met for collective security to successfully prevent war: * The collective security system must be able to assemble military force in strength greatly in excess to that assembled by the , thereby deterring the from attempting to change the world order that is defended by the collective security system. * Those nations, whose combined strength would be used for deterrence as mentioned in the first prerequisite, should have identical beliefs about the security of the world order that collective security is defending. * Nations must be willing to subordinate their conflicting interests to the common good defined in terms of the common defense of all member-states.


League of Nations

After World War I, the first large-scale attempt to provide collective security in modern times was the establishment of the
League of Nations The League of Nations (french: link=no, Société des Nations ) was the first worldwide intergovernmental organisation whose principal mission was to maintain world peace. It was founded on 10 January 1920 by the Paris Peace Conference that ...
in 1919 and 1920. The provisions of the League of Nations Covenant represented a weak system for decision making and collective action. According to Palmer and Perking, they pointed failure of the
United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...
to join the League of Nations and the rise of the
Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen national ...
outside the League as one of major reasons for its failure to enforce collective security. Moreover, an example of the failure of the League of Nations' collective security was the Manchurian Crisis, when
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
occupied part of
China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
, both of which were League members. After the invasion, members of the League passed a resolution that called for Japan to withdraw or face severe penalties. Since every nation had a veto power, Japan promptly vetoed the resolution, severely limiting the League's ability to respond. After one year of deliberation, the League passed a resolution condemning the invasion without committing its members to any action against it. The Japanese replied by quitting the League. The Abyssinia Crisis occurred in 1935, when
Fascist Italy Fascism is a far-right, authoritarian, ultra-nationalist political ideology and movement,: "extreme militaristic nationalism, contempt for electoral democracy and political and cultural liberalism, a belief in natural social hierarchy and the ...
invaded the
Abyssinian Empire The Ethiopian Empire (), also formerly known by the exonym Abyssinia, or just simply known as Ethiopia (; Amharic and Tigrinya: ኢትዮጵያ , , Oromo: Itoophiyaa, Somali: Itoobiya, Afar: ''Itiyoophiyaa''), was an empire that historical ...
, now
Ethiopia Ethiopia, , om, Itiyoophiyaa, so, Itoobiya, ti, ኢትዮጵያ, Ítiyop'iya, aa, Itiyoppiya officially the Federal Democratic Republic of Ethiopia, is a landlocked country in the Horn of Africa. It shares borders with Eritrea to the ...
. In a similar process, sanctions were passed, but Italy would have vetoed any stronger resolution. Additionally, Britain and France sought to court Italy's government as a potential deterrent to
Hitler Adolf Hitler (; 20 April 188930 April 1945) was an Austrian-born German politician who was dictator of Germany from 1933 until his death in 1945. He rose to power as the leader of the Nazi Party, becoming the chancellor in 1933 and then ...
since
Mussolini Benito Amilcare Andrea Mussolini (; 29 July 188328 April 1945) was an Italian politician and journalist who founded and led the National Fascist Party. He was Prime Minister of Italy from the March on Rome in 1922 until his deposition in 194 ...
had not yet joined the
Axis powers The Axis powers, ; it, Potenze dell'Asse ; ja, 枢軸国 ''Sūjikukoku'', group=nb originally called the Rome–Berlin Axis, was a military coalition that initiated World War II and fought against the Allies. Its principal members were ...
of
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...
. Thus, neither Britain nor France put any serious sanctions against the Italian government. In both cases, the absence of the United States deprived it of another major power that could have used economic leverage against either of the aggressor states. Inaction by the League subjected it to criticisms that it was weak and concerned more with European issues since most leading of its members were European, and it did not deter Hitler from his plans to dominate Europe. Abyssinian Emperor
Haile Selassie Haile Selassie I ( gez, ቀዳማዊ ኀይለ ሥላሴ, Qädamawi Häylä Səllasé, ; born Tafari Makonnen; 23 July 189227 August 1975) was Emperor of Ethiopia from 1930 to 1974. He rose to power as Regent Plenipotentiary of Ethiopia (' ...
continued to support collective security, as he assessed that impotence lay not in the principle but its covenantors' commitment to honor its tenets. One active and articulate exponent of collective security during the immediate prewar years was Soviet Foreign Minister Maxim Litvinov. After the
Munich Agreement The Munich Agreement ( cs, Mnichovská dohoda; sk, Mníchovská dohoda; german: Münchner Abkommen) was an agreement concluded at Munich on 30 September 1938, by Nazi Germany, Germany, the United Kingdom, French Third Republic, France, and Fa ...
in September 1938 and the passivity of outside powers in the face of German occupation of the remainder of
Czechoslovakia , rue, Чеськословеньско, , yi, טשעכאסלאוואקיי, , common_name = Czechoslovakia , life_span = 1918–19391945–1992 , p1 = Austria-Hungary , image_p1 ...
in March 1939, Western powers were shown not to be prepared to engage in collective security with the Soviet Union against aggression by Germany. Soviet foreign policy was revised, and Litvinov was replaced as foreign minister in early May 1939 to facilitate the negotiations that led to the
Molotov–Ribbentrop Pact , long_name = Treaty of Non-Aggression between Germany and the Union of Soviet Socialist Republics , image = Bundesarchiv Bild 183-H27337, Moskau, Stalin und Ribbentrop im Kreml.jpg , image_width = 200 , caption = Stalin and Ribbentrop shaking ...
with Germany, which was signed by Litvinov's successor,
Vyacheslav Molotov Vyacheslav Mikhaylovich Molotov. ; (;. 9 March Old_Style_and_New_Style_dates">O._S._25_February.html" ;"title="Old_Style_and_New_Style_dates.html" ;"title="nowiki/>Old Style and New Style dates">O. S. 25 February">Old_Style_and_New_Style_dat ...
, on August 23. The war in Europe broke out a week later with the
invasion of Poland The invasion of Poland (1 September – 6 October 1939) was a joint attack on the Republic of Poland by Nazi Germany and the Soviet Union which marked the beginning of World War II. The German invasion began on 1 September 1939, one week aft ...
, which started on September 1. Thus, collective security may not always work because of the lack of commitment and the unwillingness of states or the
international community The international community is an imprecise phrase used in geopolitics and international relations to refer to a broad group of people and governments of the world. As a rhetorical term Aside from its use as a general descriptor, the term is ...
to act in concert (Mingst 1999).


United Nations

The 1945
United Nations Charter The Charter of the United Nations (UN) is the foundational treaty of the UN, an intergovernmental organization. It establishes the purposes, governing structure, and overall framework of the UN system, including its six principal organs: the ...
contains stronger provisions for decision-making and collective military action than those of the League of Nations Covenant, but it represents not a complete system of collective security but a balance between collective action and the continued operation of the states system, including the continued special roles of great powers. States in the UN collective security system are selective to support or oppose UN action in certain conflicts, based on their self-interests. The UN can be somehow seen as the platform for self-interest purposes for members in Security Council because of the permanent members' veto power and the excessive assistance or aid, which have made those states to act unilaterally and to ignore the approval of or to violate resolutions of the Security Council. The Iraq crisis is a clearer example: "Rather than seek the global interest of peace and security through stability in Iraq and the Middle East region, the domination oriented members amassed their vast economic, diplomatic and military resources, captured and brazenly subjugated Iraq to an unprecedented condominial regime serving their economic interest under Iraq Reconstruction Programme" (Eke 2007). In addition, the lack of geographical spread of members in the Security Council causes an imbalance in the role of maintenance global peace and security. The voices of small countries can be heard, but policies are not adopted in response to them unless they serves the great powers' interests. However, collective security in the UN has not completely failed. The role of the UN and collective security in general is evolving with the rise of
civil wars A civil war or intrastate war is a war between organized groups within the same state (or country). The aim of one side may be to take control of the country or a region, to achieve independence for a region, or to change government policies ...
. Since the end of World War II, there have been 111 military conflicts worldwide, but only 9 of them have involved two or more states going to war with one another. The others have been
civil wars A civil war or intrastate war is a war between organized groups within the same state (or country). The aim of one side may be to take control of the country or a region, to achieve independence for a region, or to change government policies ...
in which other states have intervened in some manner. That means that collective security may have to evolve towards providing a means to ensure stability and a fair international resolution to those internal conflicts. Whether that involves more powerful peacekeeping forces or a larger role for the UN diplomatically is likely to be judged on a case-by-case basis.


Collective defense

Collective defense is an arrangement, usually formalized by a treaty and an organization, among participant states that commit support in defense of a member state if it is attacked by another state outside the organization.
NATO The North Atlantic Treaty Organization (NATO, ; french: Organisation du traité de l'Atlantique nord, ), also called the North Atlantic Alliance, is an intergovernmental military alliance between 30 member states – 28 European and two No ...
is the best-known collective defense organization; its famous Article 5 calls on (but does not fully commit) member states to assist another member under attack. This article was invoked only after the
September 11 attacks The September 11 attacks, commonly known as 9/11, were four coordinated suicide terrorist attacks carried out by al-Qaeda against the United States on Tuesday, September 11, 2001. That morning, nineteen terrorists hijacked four commercia ...
on the
United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...
, after which other NATO members provided assistance to the US
war on terror The war on terror, officially the Global War on Terrorism (GWOT), is an ongoing international Counterterrorism, counterterrorism military campaign initiated by the United States following the September 11 attacks. The main targets of the campa ...
by participating in the War in Afghanistan. Collective defense has its roots in multiparty alliances and entails benefits as well as risks. On the one hand, by combining and pooling resources, it can reduce any single state's cost of providing fully for its security. Smaller members of NATO, for example, have leeway to invest a greater proportion of their budget on nonmilitary priorities, such as education or health, since they can count on other members to come to their defense, if needed. On the other hand, collective defense also involves risky commitments. Member states can become embroiled in costly wars benefiting neither the direct victim nor the aggressor. In
World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...
, countries in the collective defense arrangement known as the Triple Entente ( Britain,
France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...
, and
Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...
) were pulled into war quickly when Russia started full mobilization against
Austria-Hungary Austria-Hungary, often referred to as the Austro-Hungarian Empire,, the Dual Monarchy, or Austria, was a constitutional monarchy and great power in Central Europe between 1867 and 1918. It was formed with the Austro-Hungarian Compromise of ...
, whose ally,
Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...
, later declared war on Russia.


See also

*
List of military alliances This is the list of military alliances. A military alliance is a formal agreement between two or more parties concerning national security in which the contracting parties agree to mutual protection and support in case of a crisis that has not be ...
*
World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...
*
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...
* Franco-Russian Alliance *
Triple Alliance (1882) The Triple Alliance was a military alliance between German Empire, Germany, Austria-Hungary, and Kingdom of Italy, Italy. It was formed on 20 May 1882 and renewed periodically until it expired in 1915 during Diplomatic history of World War I, ...
* Anti-Comintern Pact *
Grand Alliance (World War II) The Allies, formally referred to as the United Nations from 1942, were an international military coalition formed during the Second World War (1939–1945) to oppose the Axis powers, led by Nazi Germany, Imperial Japan, and Fascist Italy. ...
* Franco-Soviet Treaty of Mutual Assistance * Germany–Soviet Union relations before 1941 * Southeast Asia Treaty Organization *
Self-defence in international law Hugo Grotius, the 17th century jurist and father of public international law, stated in his 1625 magnum opus ''The Law of War and Peace'' that "Most Men assign three Just Causes of War, Defence, the Recovery of what's our own, and Punishment." O ...


References


Works cited

* * * * * *


Bibliography

* * * * * Lowe, Vaughan, Adam Roberts, Jennifer Welsh and Dominik Zaum, ''The United Nations Security Council and War: The Evolution of Thought and Practice since 1945'' Oxford: Oxford University Press, 2010, paperback, 794 pp. . * * Roberts, Adam and Dominik Zaum, ''Selective Security: War and the United Nations Security Council since 1945'' (Adelphi Paper no. 395 of International Institute for Strategic Studies, London), Abingdon: Routledge, 2008, 93 pp. . * *


External links

* de Wet, Erika, Wood, Michael
Collective Security
''Max Planck Encyclopedia of Public International Law''
President Carter's Nobel Lecture
{{DEFAULTSORT:Collective Security International security Military alliances Germany–Soviet Union relations cs:Vojenský pakt