Superpower disengagement is a foreign policy option whereby the most powerful nations, the superpowers, reduce their interventions in an area. Such disengagement could be multilateral among superpowers or lesser powers, or bilateral between two superpowers, or unilateral. It could mean an end to either direct or indirect interventions. For instance, disengagement could mean that the superpowers remove their support of proxies in

proxy war A proxy war is an armed conflict between two states or non-state actors, one or both of which act at the instigation or on behalf of other parties that are not directly involved in the hostilities. In order for a conflict to be considered a pr ...

s in order to de-escalate a superpower conflict back to a local problem based on local disputes. Disengagement can create buffers between superpowers that might prevent conflicts or reduce the intensity of conflicts. The term usually refers to various policy proposals during the Cold War which attempted to defuse tensions between the

Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, ...

and 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 territori ...

, largely because of the risk of any superpower conflict to escalate to nuclear war. Examples of one-sided disengagement include when

Joseph Stalin Joseph Vissarionovich Stalin (born Ioseb Besarionis dze Jughashvili; – 5 March 1953) was a Georgian revolutionary and Soviet political leader who led the Soviet Union from 1924 until his death in 1953. He held power as General Secretar ...

decided to end Soviet support for the communist guerrillas in

Greece Greece,, or , romanized: ', officially the Hellenic Republic, is a country in Southeast Europe. It is situated on the southern tip of the Balkans, and is located at the crossroads of Europe, Asia, and Africa. Greece shares land borders ...

during the

Greek Civil War The Greek Civil War ( el, ο Eμφύλιος �όλεμος}, ''o Emfýlios'' 'Pólemos'' "the Civil War") took place from 1946 to 1949. It was mainly fought against the established Kingdom of Greece, which was supported by the United Kingdom and ...

, and when

Richard Nixon Richard Milhous Nixon (January 9, 1913April 22, 1994) was the 37th president of the United States, serving from 1969 to 1974. A member of the Republican Party, he previously served as a representative and senator from California and was ...

withdrew US troops from Vietnam in the early 1970s. The more important candidates for disengagement were where Soviet and US forces faced each other directly such as in

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 ...

and

Austria Austria, , bar, Östareich officially the Republic of Austria, is a country in the southern part of Central Europe, lying in the Eastern Alps. It is a federation of nine states, one of which is the capital, Vienna, the most populous ...

. The

Austrian State Treaty The Austrian State Treaty (german: Österreichischer Staatsvertrag ) or Austrian Independence Treaty re-established Austria as a sovereign state. It was signed on 15 May 1955 in Vienna, at the Schloss Belvedere among the Allied occupying p ...

is an example of formal, multilateral, superpower disengagement which left Austria as neutral for the duration of the Cold War, with Austria staying out of the

Warsaw Pact The Warsaw Pact (WP) or Treaty of Warsaw, formally the Treaty of Friendship, Cooperation and Mutual Assistance, was a collective defense treaty signed in Warsaw, Poland, between the Soviet Union and seven other Eastern Bloc socialist repub ...

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 ...

, and the European Economic Community. The 1952

Stalin Note The Stalin Note, also known as the March Note, was a document delivered to the representatives of the Western Allies (the United Kingdom, France, and the United States) from the Soviet Union in separated Germany including the two countries in W ...

is perhaps the most controversial proposal of superpower disengagement from Germany.

See also