The policy of containment was adopted by the United States to prevent the spread of communism beyond the countries where it already existed.

The Berlin Blockade, which lasted from 1948 to 1949, was a major crisis between the Soviet Union and the Western Allies, and is often seen as the beginning of the Cold War.

Detente was the Soviet Union's policy of peaceful coexistence with the West, which was pursued during the 1970s and early 1980s.

Brinksmanship, a policy of pushing a dangerous situation to the brink of war in order to achieve a desired outcome, is associated with U.S. President John F. Kennedy.

Massive Retaliation was the U.S. military strategy that aimed to deter a Soviet attack by threatening a massive nuclear retaliation.

The collapse of the Soviet Union in 1991 marked the end of the Cold War.

The Strategic Arms Limitation Treaty (SALT I) was signed between the United States and the Soviet Union in 1968 and was the first major arms control treaty between the two superpowers.

The Strategic Defense Initiative (SDI), also known as 'Star Wars', was a U.S. program to develop a missile defense system, and was initiated by President Ronald Reagan in 1983.

The Soviet Union's response to the U.S. Strategic Defense Initiative (SDI) was to develop their own missile defense system, also known as the Strategic Defense Initiative (SDI).

The Cuban Missile Crisis began when the U.S. discovered Soviet missiles in Cuba in October 1962.

John F. Kennedy was the U.S. president during the Cuban Missile Crisis.

The Cuban Missile Crisis lasted for 13 days, from October 16 to October 28, 1962.

The outcome of the Cuban Missile Crisis was that the Soviet Union agreed to remove the missiles from Cuba, the U.S. agreed to lift the naval blockade on Cuba, and the U.S. agreed to not invade Cuba.

George H.W. Bush was the U.S. president who signed the Strategic Arms Reduction Treaty (START I).

Barack Obama was the U.S. president who signed the New Strategic Arms Reduction Treaty (New START).