Respuesta :

Armed forces from communist North Korea smash into South Korea, setting off the Korean War. The United States, acting under the auspices of the United Nations, quickly sprang to the defense of South Korea and fought a bloody war for the next three years. 

Answer:

Korean War, conflict between the Democratic People's Republic of Korea (North Korea) and the Republic of Korea (South Korea) in which at least 2.5 million persons lost their lives. The war reached international proportions in June 1950 when North Korea, supplied and advised by the Soviet Union, invaded the South.

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