Answer:
Soviet policy resulted in permanent division of Korea and war.
It consolidated the division of the Korean peninsula into two different parts that would become two separate states, South Korea and North Korea, after WWII. In 1950, the North Korean communist leader Kil Il-sung invaded the South with Moscow´s approval and support, though not with a direct Soviet participation. They miscalculated; Kim and Soviet leader Stalin thought the US would not give much importance to the military aggression. But the US reacted to oppose what it saw as a plan of communist expansion, following the tenets of the containment doctrine. So the Korean War began in 1950.
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