Both the United States and the Soviet Union engaged in extensive propaganda campaigns to influence public opinion and promote their respective ideologies.

Propaganda aimed to undermine the opponent's credibility, spread misinformation, and create a sense of fear and distrust among the public.

Radio was the primary medium for disseminating propaganda, as it allowed for rapid and widespread transmission of messages to a large audience.

Espionage refers to the clandestine gathering of information and intelligence by intelligence agencies, often involving infiltration, surveillance, and covert operations.

Both the United States and the Soviet Union engaged in extensive espionage activities to gather intelligence on each other's military capabilities, political strategies, and technological advancements.

The U-2 spy plane was shot down over the Soviet Union in 1960, leading to a diplomatic crisis between the two countries.

Aldrich Ames was a CIA officer who spied for the Soviet Union for over nine years, providing them with highly classified information.

The Central Intelligence Agency (CIA) was the primary American intelligence agency responsible for gathering and analyzing foreign intelligence during the Cold War.

The Yalta Conference in 1945, where the leaders of the United States, the Soviet Union, and the United Kingdom met, is often seen as the starting point of the Cold War.

The Truman Doctrine and the Marshall Plan were key elements of the American policy of containment, aimed at preventing the spread of communism.

The collapse of the Soviet Union in 1991 is widely regarded as the end of the Cold War.

Richard Nixon initiated the policy of detente with the Soviet Union, aimed at reducing tensions and promoting cooperation between the two countries.

Mikhail Gorbachev introduced the policies of glasnost (openness) and perestroika (restructuring) in an attempt to reform the Soviet Union.

The Intermediate-Range Nuclear Forces (INF) Treaty was signed between the United States and the Soviet Union in 1987, eliminating an entire class of nuclear missiles.

The Helsinki Accords, signed in 1975, marked a turning point in the Cold War, promoting cooperation and security in Europe.