Questions and Answers
What is the earliest evidence of humankind in the Americas according to many researchers?
Spearheads dating back to 9500 BC near Clovis, New Mexico
During what time period did the last Ice Age occur?
1.9 million to 10,000 BC
What was the reason for the extinction of large animals like the mammoth?
They were overhunted by humans
When did some scholars argue that the migration across the land bridge began?
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What caused the sea levels to lower during the last Ice Age?
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What was the primary source of food for prehistoric Americans after the extinction of large animals?
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How did the land corridor between Asia and Alaska form?
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Why did prehistoric Americans move regularly in search of food?
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Why is it difficult to determine when the first Americans arrived?
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