Walton Walker backed South Korea, and China allied with the Soviet Union in what was to become the first military action of the Cold War. Shortly after 75,000 North Korean troops with tanks invaded South Korea on June 25, 1950, American air and sea forces were ordered by President Harry S. Truman to give South Korean troops support. The U.S. Eighth Army was ordered to intervene and drive the invaders back across the 38th parallel, the border between the two countries. With only four lightly equipped and poorly trained divisions, Walker began landing troops on the southeast side of the Korean peninsula
Division of Korea by both regimes. From 1948 until the start of the civil war on June 25, 1950, the armed forces of each side engaged in a series of bloody conflicts along the border. In 1950, these conflicts escalated dramatically when North Korean forces invaded South Korea, triggering the Korean War. The United Nations intervened to protect the South, sending a US-led force. As it occupied the south, the Democratic People's Republic of Korea attempted to unify Korea under its regime, initiating the nationalisation of industry, land reform, and the restoration of the People's Committees. While UN intervention was conceived as restoring