Answer:
The answer is Native Americans were unable to win any frontier battles
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Answer:
Groundwater.
Explanation:
Becasue it's underground and not on the surface.
The end of the Ice Age meant that there was going to be much more water than land. That flooded the ways of transport that Early People had, the result was that it as even more difficult finding food and shelter.
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The Mandate of Heaven played an important role in the dynastic cycle since it said that people of hereditary royal birth were ordained with powers from god to rule over the people.