U.S. invasion of Cambodia (1970)

Target entity: U.S. invasion of Cambodia (1970)
Context triple: [Nixon administration, significantEvent, U.S. invasion of Cambodia (1970)]

• A. Tet Offensive
  The Tet Offensive was a major 1968 campaign of surprise attacks by North Vietnamese and Viet Cong forces across South Vietnam that dramatically shifted U.S. public opinion and marked a turning point in the Vietnam War.
• B. Cambodian–Vietnamese War
  The Cambodian–Vietnamese War was a late-1970s conflict in which Vietnam invaded Cambodia, overthrew the Khmer Rouge regime, and installed a new government, leading to prolonged regional instability and international tensions during the Cold War.
• C. Gulf of Tonkin incident
  The Gulf of Tonkin incident was a 1964 naval confrontation between North Vietnam and the United States that led to a major escalation of U.S. military involvement in the Vietnam War.
• D. Vietnam War
  The Vietnam War was a protracted Cold War-era conflict in Southeast Asia, primarily between communist North Vietnam and U.S.-backed South Vietnam, that profoundly shaped global politics, military strategy, and American society.
• E. Cambodian Civil War
  The Cambodian Civil War was a brutal conflict from 1967 to 1975 between the U.S.-backed Lon Nol government and the communist Khmer Rouge, culminating in the latter’s victory and the establishment of Democratic Kampuchea.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: U.S. invasion of Cambodia (1970)
Target entity description: The U.S. invasion of Cambodia in 1970 was a controversial expansion of the Vietnam War in which American and South Vietnamese forces entered Cambodian territory to attack North Vietnamese and Viet Cong sanctuaries, sparking widespread protest and political backlash in the United States.

• A. Tet Offensive
  The Tet Offensive was a major 1968 campaign of surprise attacks by North Vietnamese and Viet Cong forces across South Vietnam that dramatically shifted U.S. public opinion and marked a turning point in the Vietnam War.
• B. Cambodian–Vietnamese War
  The Cambodian–Vietnamese War was a late-1970s conflict in which Vietnam invaded Cambodia, overthrew the Khmer Rouge regime, and installed a new government, leading to prolonged regional instability and international tensions during the Cold War.
• C. Gulf of Tonkin incident
  The Gulf of Tonkin incident was a 1964 naval confrontation between North Vietnam and the United States that led to a major escalation of U.S. military involvement in the Vietnam War.
• D. Vietnam War
  The Vietnam War was a protracted Cold War-era conflict in Southeast Asia, primarily between communist North Vietnam and U.S.-backed South Vietnam, that profoundly shaped global politics, military strategy, and American society.
• E. Cambodian Civil War
  The Cambodian Civil War was a brutal conflict from 1967 to 1975 between the U.S.-backed Lon Nol government and the communist Khmer Rouge, culminating in the latter’s victory and the establishment of Democratic Kampuchea.
• F. None of above. chosen