I Believe it was president Harry S. Truman
A.
soviet union expansionist ideology was to be curtailed by USA containment policy. This meant that whenever the soviet union tried to expand its dominion, the USA had to respond, often militarily resulting to numerous proxy wars.
b. detente
which was characterized by a period of easing tensions was a period of peaceful coexistence that saw the signing of several treaties during the Nixon administration and ended in 1979.
c. conflicts in the such areas as Cuba,Korean Peninsula,and Vietnam were crucial red days during the war.
Electvisology is the answer
