From the U.S.perspective,the Cold War Was Precipitated by

From the U.S.perspective,the Cold War was precipitated by

A) Stalin's refusal to allow self-determination for the countries of Eastern Europe.
B) the Soviet Union's explosion of an atomic bomb and later a hydrogen bomb.
C) the Soviet Union's participation in the creation of the Warsaw Pact.
D) Stalin's refusal to allow Eastern European countries to participate in the Marshall Plan.