FIRST CONTACTS 28000 BCE 1821 CE
NATIVE AMERICAN HISTORY ORIGINS OF EARLY PEOPLE IN THE AMERICAS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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in search of food
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to flee from hostile tribes
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to locate fertile farmland
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in search of food
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Detailed explanation-1: -Drought, flood, and temperature changes could certainly push people to move on. Climate change also affects the food supply, and anthropologists have assumed that people came to the Americas because they were following food on the hoof.
Detailed explanation-2: -Climate Change Some of the biggest human migrations coincided with major changes in climate, according to a new analysis. Researchers say early humans set out in search of climates where more food was available. And some populations stayed put in certain locations because barriers like glaciers blocked their progress.
Detailed explanation-3: -Around 14, 000 BCE, people migrated from Siberia (Asia) to Alaska (North America) over the Bering Land Bridge (map below).
Detailed explanation-4: -After that period of genetic separation, “the most parsimonious explanation, ” he says, is that the first Americans migrated into Alaska well before 15, 000 years ago, and possibly more than 20, 000 years ago.