SETTLING NORTH AMERICA 1497 1732
NORTH AMERICAN EXPLORATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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They were following their food
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They wanted to move
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They were looking for people
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None of the above
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Detailed explanation-1: -Scientists one theorized that the ancestors of today’s Native Americans reached North America by walking across this land bridge and made their way southward by following passages in the ice as they searched for food.
Detailed explanation-2: -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-3: -Scientists think that people traveled the land bridge around 11, 000 BCE because scientists found similar arrowheads and tools in the land bridge and in areas further north and south. 7. They used the process of knapping because it allowed them to make tools with sharp edges.
Detailed explanation-4: -As more and more of the earth’s water got locked up in glaciers, sea levels began to drop. In some areas it dropped up to 300 feet. The land beneath the Bering Strait became exposed and a flat grassy treeless plain emerged connecting Asia to North America.