Answer:
The space race is significant due to it's role in the Cold War, a period of tension between the USA and USSR.
Arms race
Race to get the most weapons between the U.S. and U.S.S.R
M.A.D.
a policy created in the 1950's that held that if The Soviet Union attacked the United States with nuclear weapons, the United States would fire back all of its weapons and 20-50% of the populations of both nations would be destroyed.
Step-by-step explanation: