What June 1950 action caused the United Nations to respond with military action? Japan invaded South Korea. The Soviet Union invaded North Korea. China invaded North Korea. North Korea invaded South Korea.

History · High School · Tue Nov 03 2020

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The June 1950 action that prompted the United Nations to respond with military action was D. North Korea invading South Korea.

The Korean War began on June 25, 1950, when North Korean forces, under the direction of Kim Il-sung and supported by the Soviet Union, crossed the 38th parallel and invaded South Korea. This aggressive action led to the United Nations Security Council passing a resolution to repel the North Korean invasion and restore peace in the region. As a result, a UN-backed coalition force, primarily led by the United States, intervened to support South Korea.