Context: The Korean War was a conflict between the United States and its United Nations allies and the communist powers under influence of the Soviet Union (also a UN member nation) and the People's Republic of China (which later also gained UN membership). The principal combatants were North and South Korea. Principal allies of South Korea included the United States, Canada, Australia, the United Kingdom, although many other nations sent troops under the aegis of the United Nations. Allies of North Korea included the People's Republic of China, which supplied military forces, and the Soviet Union, which supplied combat advisors and aircraft pilots, as well as arms, for the Chinese and North Korean troops.

Question: What country supplied troops to North Korea during the Korean War?
Answer: the People's Republic of China

Question: What country supplied advisors, pilots, and war materiel to North Korea?
Answer: the Soviet Union

Question: What country was the principal ally of South Korea during the war?
Answer: the United States

Question: What organization did all combatants on both sides of the war belong to?
Answer: United Nations

Question: Which two countries were the primary fighters for territory in the Korean War?
Answer: North and South Korea

Question: What country supplied troops to South Korea during the Korean War?
Answer: Unanswerable

Question: What country supplied advisors, pilots, and war materiel to South Korea?
Answer: Unanswerable

Question:  What country was the principal ally of North Korea during the war?
Answer: Unanswerable

Question: What organization did all combatants on both sides of the war not belong to?
Answer: Unanswerable

Question: Which two countries were the primary fighters for territory in the Japanese War?
Answer: Unanswerable