The Korean Divide North Korea and South Korea was once one country combined. That changed soon after World War II. Since the Soviet Union controlled North Korea it was mainly Communist. North and South Korea were separated on the 38th parallel line. The United States controlled South Korea so it was mainly democratic. The Korean War began on June 25, 1950, when troops from Communist-ruled North Korea invaded South Korea. The Korean War was the first war …showed first 75 words of 422 total…

…showed last 75 words of 422 total…At one point during the war North Korea had the South pushed so far south that the only city they could retreat to was Pusan. Finally, after years of fighting, the Korean War ended on July 27, 1953. The UN and North Korea signed an armistice agreement. A permanent peace treaty between South Korea and North Korea had never been signed. However, US military presence is being maintained constantly to discourage any aggression between the two countries.