Development of the Cold War


Confrontation of the Superpowers

The Truman Doctrine


The Truman Doctrine stated that the United States would provide money to countries ( in this case, Greece) threatened by Communist expansion.

Marshall Plan

June 1947

The Marshall Plan was proposed by General George C. Marshall, U.S. secretary of state, it is better known as the Marshall Plan. It was designed to rebuild the prospertity and stability of war-torn Europe. It included 13 billion in aid for Europe's economic recovery.

Policy of containment

July 1947

George Kennan, a U.S. diplomat with crucial knowledge of Soviet affairs, argued for a policy of containment to keep communism within its existing boundaries. Containment became U.S. policy.

Federal Republic of Germany

September 1949

The Federal Republic of Germany, or West Germany, was formally created. Its capital was Bonn. Less than a month later, a separate East German state. the German Democratic Republic, was set up by the soviets.

Spread of the Cold War

Arms Race


The Soviet Union exploded their first bomb in 194. The U.S. and the Soviet Union were involved in Arms Race, in which both countries built up their armies and weapons. Nuclear weapons became increasingly destructive.


April 1949

The North Atlantic Treaty Organization (NATO) was formed in April 1949 when Belgium, Italy, Denmark, Norway, Portugal, Luxembourg, France, the Netherlands, Great Britain, and Iceland signed a treaty with the United States and Canada.

Nikita Khrushchev


He was the new leader of the Soviet Union in 1955. He tried to take advantage of the American concern over missiles to solve the problem of West Berlin.

Vietnam and the Domino Theory

Domino Theory


U.S. policy makers saw the conflict in terms of a domino theory. if the Communists succeeded in South Vietnam, other countries in Asia would also fall ( like dominoes ) to communism.

President Nixon


President Nixon reached an agreement with North Vietnam's leaders that allowed the United States to withdraw its armed forces.