Nationalism did play an important role in the cold war. There are certain individuals who offered to work as spies for their countries.
LOTS
The Cold War.
Atomic weapons played a major role in fear, but were never actually used in the Cold War. There were multiple instances in which the Soviet Union and United States threatened each other with atomic weapons, such as the Cuban Missile Crisis, but overall no Atomic weapons were ever used on enemy countries which is how the Cold War stayed cold.
Alabama lost 1,207 men in the war.
The role of Mobile, Alabama was a significant role in the US Civil War. The city passed several resolutions even passed a resolution to succeed from the Union.
The role of United Nations was to mediate in disputes and promote international co-operation.
Nationalism did play an important role in the cold war. There are certain individuals who offered to work as spies for their countries.
John Addams ended the cold war.
Winning it
he played the role of Brad Pitt
The American people characterizes the role of America's possession of the atomic bomb in the origins of the Cold War.
Your question is incomplete -- who or what is "they"
Lenin didn't do anything during the cold war. The Cold War started after WWII and Lenin died before that in 1924.
Each played a major role in ending the Cold War
Stalin had a tendency to maintain the status quo in the Cold War. He was not willing to negotiate or offer compromises to the US.
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