Explanation: The valley of the Tigris and Euphrates is located in Asia, while the Nil river valley is located in Africa. Sumer, Babylonia, and Assyria were ancient civilizations that were located in different or same parts of the territory of Mesopotamia. The very name of Mesopotamia means the land between the rivers that refers to Tigris and Euphrates.
Egypt's ancient civilization grew on the benefits of the Nile River, that is, in Africa.
<span>The Truman Doctrine and the North Atlantic and the Treaty Organization were United States responses to the </span>communist threat after World War II.
