Postwar US Foreign Policy

The US intervention in Vietnam was primarily driven by the Cold War policy of containment, which aimed to prevent the spread of communism in Southeast Asia. The other options do not accurately reflect the geopolitical motivations of the era.

During the Cold War, India, under Jawaharlal Nehru, championed the Non-Aligned Movement (NAM), which sought to avoid formal military alliances with either the USA or the Soviet Union.

Radioactive clouds traveled across international borders, affecting many countries in the Soviet Union and Scandinavia. The statement is true.

The Lend-Lease Act allowed the US to supply the UK, the Soviet Union, and other Allied nations with food, oil, and materiel between 1941 and 1945.

Spheres of Influence refers to areas in China where foreign powers (like France, Britain, Russia, and Japan) held exclusive trading and economic privileges.

The Roosevelt Corollary was an addition to the Monroe Doctrine that asserted the right of the United States to intervene in Latin American affairs to maintain stability.

Detente is the term used to describe the easing of hostility or strained relations, specifically between the US and the Soviet Union during the 1970s.

The Viet Cong (National Liberation Front) were the communist guerrilla force in South Vietnam that fought against the South Vietnamese government and the United States.

The Domino Theory was a Cold War policy that suggested if one country in a region came under the influence of communism, then the surrounding countries would follow in a domino effect.

A Demilitarized Zone (DMZ) is an area in which treaties or agreements between nations, military powers, or contending groups forbid military installations, activities, or personnel.

The Tet Offensive in 1968 was a massive series of surprise attacks by North Vietnamese forces. It shocked the American public and shifted opinion against the war, as it contradicted official claims that the US was winning.

The Korean War ended in 1953 with an armistice agreement, which established a ceasefire and the DMZ. It did not end with a formal peace treaty, and neither side achieved total victory.

Early in the Korean War, North Korean forces pushed UN and South Korean troops back to a small defensive area in the southeast corner of the peninsula, which was known as the Pusan Perimeter.

The Marshall Plan was a US initiative to provide economic aid to help rebuild Western European economies after WWII. While it was intended to prevent the spread of communism, it was primarily an economic recovery program.

NATO (North Atlantic Treaty Organization) is the military alliance led by the United States and its Western allies. The Warsaw Pact was the Soviet-led counterpart.