During the first battle of the korean war in june of 1950, a-the united nations pledged to come to the aid of north korea. b- south koreans crossed the 38th parallel and continued into north korea. c- the soviet union marched on south korea and captured it within days d- north koreans took control of the south korean capital of seoul.

During the first battle of the Korean War in June of 1950, D) North Koreans took control of the South Korean capital of Seoul. The North Koreans marched into and invaded South Korea, with the help of Soviet troops and Chinese troops. North Korea was backed by these two countries. On the 27th of June, the United Nations declared a ceasefire, but it soon became evident that the fighting would still take place. The South Koreans, who were at the time being defeated, were then backed by a coalition army backed by the United Nations.