Answer:
Early humans survived because they created tools to fight and hunt for food. Also the creation of fire helped keep them warm and dry. Light helped scare predators and animals away.
The answer is 4,132 miles if you are talking about the Nile river.
<span>Mexica people unite their empire to make a powerful force in Meso America. They became powerful in the 15th century by conquering their immediate neighbors and demanded tribute. They treat their people depending on the tribute system. When there is a tribute given, then they will not hurt them; but if there will be no tribute given, then those people will be killed or even sold to slavery or sacrifice to gods.
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