Complex sentence: Stalin observed his 1944 agreement with Churchill and did not aid the communists in the struggle against the British-supported anti-communist regime in Greece; in Finland he accepted a friendly, non-communist government; and Russian troops were withdrawn from Austria by the end of 1955.
Split into simpler sentences: Stalin observed his 1944 agreement with Churchill and did not aid the communists in the struggle against the British-supported anti-communist regime in Greece. In Finland he accepted a friendly, non-communist government; and Russian troops were withdrawn from Austria by the end of 1955.