The Warsaw Pact emerged
in opposition to NATO.
into prominence following the Japanese invasion of Manchuria in 1931.
immediately following the Russian Revolution.
during the Second World War between Germany and the Soviet Union.
after the fall of the Soviet Union, in order to promote democracy in the former European states of the U.S.S.R.
The fall of the Soviet Union occurred in the
1990s.
1980s.
1950s.
1960s.
2000s.
