Agreements were made to divide Germany into occupation zones between the U.S., France, UK and the USSR.

This is important to the 20th century because it laid the foundation for the separation of Germany and the dissidence between the Soviet Union and the Western Allies.

The U.S., UK, and USSR argued over how to manage Germany. Truman mentions the atomic bomb which increases tensions.

This was important to the 20th century because it showed the growing rift between the U.S. and the USSR.

Winston Churchill spoke of the growing Soviet influence in Eastern Europe. This speech recognized the divide between communists and capitalists.

This was important to the 20th century because the speech rallied Western nations to oppose Soviet expansion.

President Truman declared the U.S. would support nations resisting communism, making a stance to containment against communism.

This was important to the 20th century because this showed how the U.S. would be the major world power for the next century and always get in the middle of conflicts around the world.

The U.S. granted Western Europe $13 billion to rebuild, and because the economies were strengthened it helped them resist communism.

USSR blocked all land access to West Berlin. In response, the Allies had an airlift system for around a year, delivering food and supplies.

Its importance to the 20th century is that it showed resilience against soviet pressure. this was also a major symbol of the division between the East and West.

NATO was a military alliance that protected against Communism. The USSR and its allies formed a collective military defence treaty in response to NATO. It symbolized the division between the East and West.

This was important to the 20th because it was an important step against enemies of the free world, with their being a team of nations to take down "bad" countries. For the Warsaw Pact it was the most formal the Cold War division had become, there being only two sides. (1st, 2nd, and 3rd world countries)

North Korea, backed by the USSR and China, invaded South Korea, and this conflict ended in a stalemate.

The importance of the Korean War to the 20th century is that this was the first physical and destructive part of the Cold War. Also shows the high stakes of the Cold War and the importance of containment.

It was a competition between the U.S. and the USSR to develop and stockpile increasingly powerful nuclear weapons.

It defined Cold War military strategies like (MAD) and arms control treaties.

The USSR launched the first satellite, marking a major achievement in the Space Race.

Its importance in the 20th century is that it sparked the space race and led to a major increase in science and technology spending.

It was a 13-day standoff between the U.S. and the USSR over the launching of Soviet nuclear missiles in Cuba, bringing the world to almost nuclear war.

The importance of this event is that this was the scariest and closest the world came to ending. It led to improved communication. An example is the "hotline" between the USSR and the U.S.

The U.S. fought to prevent the spread of communism in Vietnam, supporting South Vietnam against the communist North.

The importance of the Vietnam War was that it showed the U.S. military's limits and the global reach of Cold War conflicts. It also affected American society, politics, and foreign policies.

The U.S. and USSR entered a period of lower tensions and signed agreements like SALT to limit nuclear weapons.

It was important because it lowered high tensions and felt like we were closer to the end of this scary period of the cold war.

Mass protests in Eastern Europe led to the tearing down of the Berlin Wall.

This was important to the 20th century because it symbolized the collapse of communism in Eastern Europe and the end of the Cold War.

It was in 1991 that the collapse of the Soviet Union led to the dissolution of its 15 republics into independent nations and the end of the Cold War, symbolizing the failure of Soviet political and economic systems.

Its importance to the 20th century is that it marked the end of the Cold War and left a huge power gap in Eastern Europe. And its effect is still felt today.