To assure is to promise or to make sure.
A demilitarized zone is a region where military forces are not allowed.
To conclude is to figure out or decide.
At the end of WW2 the East Asian country if Korea came under Ontario of the US and the Soviet Union.
The two powers divided Korea at the 38th parallel of latitude.
A Communist government took control in North Korea.
A U.S backed government took over South Korea.
Relations between the two Koreas were tense.
Hoping to unite Korea, North Korean troops invaded South Korea on June 25, 1950.
By September, the Communists had control over most of the peninsula.