Which phrase does NOT describe historical fiction

Why did the united states shift away from the policy of isolationism after world war 2?

In 1956, people in demanded that soviet troops to be removed as the part of a call for democratic reforms

Popular sovereignty is the principle that governmental authority is derived from the people. under this principle, government governs with the consent of the governed. explain this concept in your own words. is this principle important to you? why or why not?