North Korea in the Korean War diseases and other illnesses were a constant threat. By the end of the summer, President Truman and General Douglas MacArthur (1880-1964), the commander in charge of the Asian theater, had decided on a new set of war aims. Now, for the Allies, the Korean War was an offensive one: It was a war to "liberate" the North from the communists. Initially, this new strategy was a success. An amphibious assault at Inchon pushed the North Koreans out of Seoul and back to their side of the 38th parallel. But as American troops crossed the boundary and headed north toward the
North Korea in the Korean War Republic of Korea to the north and the pro-Western Republic of Korea to the south. This invasion was the first military action of the Cold War. Tactics were based on Soviet doctrine which emphasised rapid advances spearheaded by armoured and infantry assaults. The quality and power of the KPA’s initial invasion resulted in its opponents being forced back to the southern tip of the Korean peninsula. By July, American troops had entered the war on South Korea’s behalf. As far as American officials were concerned, it was a war against the forces of international communism itself. After some early back-and-forth