The United States sought to contain the spread of communism in Asia, and China was seen as the main threat due to its large population, powerful military, and support for communist movements in the region.

The Korean War was a proxy war between the United States and the Soviet Union, with North Korea supported by the Soviet Union and China, and South Korea supported by the United States and its allies.

The Vietnam War was a major proxy war between the United States and the Soviet Union, with North Vietnam supported by the Soviet Union and China, and South Vietnam supported by the United States and its allies.

The Domino Theory was the belief that if one country in Asia fell to communism, the rest would follow like a row of dominoes falling.

Malaysia was the site of a major communist insurgency during the Cold War, with the Malayan Communist Party leading an armed struggle against the British colonial government and later the independent Malaysian government.

The San Francisco Peace Treaty was signed between the United States and Japan in 1951, formally ending the state of war between the two countries and restoring Japan's sovereignty.

Hungary was the site of a major anti-communist uprising in 1956, which was crushed by Soviet military intervention.

The Point Four Program was a policy adopted by the United States in 1949 to provide economic and technical assistance to developing countries in Asia and other regions.

China was the site of a major communist revolution in 1949, which led to the establishment of the People's Republic of China.

SEATO (Southeast Asia Treaty Organization) was a military alliance formed by the United States and its allies in Asia during the Cold War.

Indonesia was the site of a major anti-communist coup in 1965, which led to the overthrow of President Sukarno and the establishment of a military dictatorship.

The Truman Doctrine was a policy adopted by the United States in 1947 to provide military and economic aid to countries that were threatened by communist aggression.

The Philippines was the site of a major communist insurgency during the Cold War, with the Communist Party of the Philippines leading an armed struggle against the government.

The Mutual Defense Treaty was signed between the United States and Taiwan in 1954, committing the United States to defend Taiwan in the event of an attack by China.

China was the site of a major anti-communist uprising in 1989, which was centered around Tiananmen Square in Beijing.