USA HISTORY

Detailed explanation-1: -The domino theory was a Cold War policy that suggested a communist government in one nation would quickly lead to communist takeovers in neighboring states, each falling like a row of dominos.

Detailed explanation-2: -According to the “domino theory, ” the United States believed that if Vietnam fell to communism, the rest of Southeast Asia would follow. The United States supported the democratic government of South Vietnam, while the Soviet Union supported the communist government of North Vietnam.

Detailed explanation-3: -U.S. leaders endorsed the domino theory, which held that if South Vietnam fell to the Communists, other nations in the region, such as Laos and Cambodia, would also fall.

Detailed explanation-4: -The escalating US involvement in Southeast Asia was driven by the logic of the domino theory, which contended that the falling of one country to communism would result in other surrounding countries succumbing to communism, much as one toppled domino will take down others in a row.

Detailed explanation-5: -The primary evidence for the domino theory is the spread of communist rule in three Southeast Asian countries in 1975, following the communist takeover of Vietnam: South Vietnam (by the Viet Cong), Laos (by the Pathet Lao), and Cambodia (by the Khmer Rouge).