Correct option is D
The China-Vietnam War took place in 1979. This war was a brief but intense border conflict between China and Vietnam, following Vietnam's invasion of Cambodia in 1978 to oust the Khmer Rouge regime, which had been supported by China. China launched a punitive invasion of northern Vietnam in response.
Information booster :
The China-Vietnam War in 1979 was a result of escalating tensions between China and Vietnam, particularly due to Vietnam’s actions in Cambodia.
The war lasted from February 17 to March 16, 1979, lasting only about a month, but it caused significant casualties on both sides.
China’s invasion aimed to "teach Vietnam a lesson" but ended in a stalemate, with heavy losses for China.
The war led to significant political and military consequences in the region, affecting both China's relations with Southeast Asia and Vietnam's post-war policies.
The conflict highlighted the complex geopolitical dynamics of the Cold War era, where superpowers like China had to manage their regional interests.
Additional information :
1979: This war had ramifications for Vietnam's relations with China and Cambodia, and it also marked a period of intense border disputes between China and Vietnam that persisted for years.