It was called the Cold War because the Soviet Union and the United States did not declare war on each other.

The Truman Doctrine was an important religion in the United States.

The Cold War took place before WW2

The Cold War took place after WW2

After WW2, 51 countries signed...

The United Nations looks for avoiding war.

The United Nations wants the human development without war.

Cold War had an economic conflict.

The Cold War had ideological conflicts.

The 2 ideologies during the Cold War are:

The Soviet Union did not have any ally.

The Soviet Union had allies that shared the socialism ideology.

The Truman Doctrine wants to avoid the socialism spread.

The Truman Doctrine helped another countries in order to avoid the adoption of a socialist government.

The Marshall plan want to help countries rebuilding the European countries including The Soviet Union.

The Marshall plan want to help countries rebuilding the European countries excluding The Soviet Union.