List and describe some events of the 1950s that increased hostilities between the United States and the Soviet Union.

How did hostilities increase between U. S. and Soviet Union during 1950s? Because U. S. was in competition with Soviet Union all over the world. But hostilities increased between U. S. and Soviet Union during 1950s when Egypt seized control of Suez Canal in 1956 so the U. S. said it would defend the Middle East against communist attacks.