Here are the best responses to your questions:
Question 1: The Democratic People’s Republic of Korea could BEST be described as which of these?
Response: A - Communist
Question 2: The boundary between North and South Korea has been found
Response: C - around the 38th Parallel.
Question 3: The amount of involvement by ___ in the war in late 1950 took the United States by surprise, and changed the course of the war.
Response: A - China
Question 4: Which phrase correctly completes the statement? “The Korean War _____.”
Response: B - has never officially ended.
Let me know if you need further assistance!