caraelainesandford1 caraelainesandford1 10-02-2021 History contestada Why did the UN get involved in the Korean War? Check all that apply.North Korea had attacked UN forces.President Truman asked the UN to help.Kim Il-Sung pleaded with the UN for help.The UN wanted to protect a democratic nation.The UN hoped to wage a war against communism.ANSWER:President Truman asked the UN to help.The UN wanted to protect a democratic nation.