The Greek Civil War, 1946-49 and the Truman Doctrine, 1946
Background:
After World War 2, civil War broke out between the Greek government and the communist rebels.
Developments:
The rebels was supported by Soviet satellites.
The US President Truman declared the Truman Doctrine and intervened in the conflict as he saw the communists as a threat.
The Greek government won the civil war in 1949 with the US military and financial aid.
Significance:
It was the first confrontation between the two blocs.
The US dropped her traditional policy of isolation and paved the way for wider participation in world affairs.