worsen the Cold War tension between 1945 and 1

Question:please provide examples from 1940's, 1950s, and 1960's.

Best Answer - Chosen by Asker: please provide examples from 1940's, 1950s, and 1960's.

The blockade of West Berlin. (1950s)
The Cuban Missle Crisis. (1960s)
Theft of atomic bomb secrets. (1940s)

August 13, 1961-They put up the Berlin Wall