USA HISTORY

Detailed explanation-1: -UN forces invaded North Korea in October 1950 and moved rapidly towards the Yalu River-the border with China-but on 19 October 1950, Chinese forces of the People’s Volunteer Army (PVA) crossed the Yalu and entered the war.

Detailed explanation-2: -In some of the fiercest fighting of the Korean War, thousands of communist Chinese troops launch massive counterattacks against U.S. and Republic of Korea (ROK) troops, driving back the Allied forces before them and putting an end to any thoughts for a quick or conclusive U.S. victory.

Detailed explanation-3: -The United Nations, with the United States as the principal participant, joined the war on the side of the South Koreans, and the People’s Republic of China came to North Korea’s aid.

Detailed explanation-4: -China assisted North Korea during the Korean War (1950–53) against South Korean and UN forces on the Korean peninsula. Although China itself remained neutral, three million Chinese soldiers participated in the conflict as part of the People’s Volunteer Army fighting alongside the Korean People’s Army.