Answer: rivers
The four river valley civilizations were the Tigris & Euphrates Valleys, the Nile River Valley, the Indus River Valley, and the Yellow River Valley. Civilizations developed around rivers because their waters provided places to hunt and fish. Also, as the rivers flooded, the lands around them became fertile.
The CIA was the one that was involve in the communist country.
Resulted in the development of the United Nations.
Answer:
The inner core would be liquid, and the asthenosphere and outer core would solidify.
Explanation:
Answer:
Prince Henry the Navigator
