1945-1991: Cold War world Wiki

United Nations Security Council Resolution 5, adopted on May 8, 1946, deferred the decisions on Soviet troops in Iran pending a report on the situation. The Republic of Mahabad and Azerbaijan People's Government were abandoned by the USSR in 1946 and soon collapsed.

United Nations Security Council Resolution 5.
Nation. For. Against. Abstain.
Kuomintang China. *
Provisional Government of the French Republic. *
United Kingdom. *
United States. *
Soviet Union. Did not turn up.
Australia. *
Brazil. *
Netherlands. *
Egypt. *
Mexico. *
Poland. *
Sources. [1], [2], [3], [4], [5], [6].

Franco regime in Spain, Greek Civil War of 1946–1949, Republic of Mahabad, the and the [South] Azerbaijan People's Government were early tests of the UN's intention to stop a new world war breaking out so soon after World War 2 had ended.