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Amerindians likely crossed the Bering Strait via a land bridge known as Beringia, which connected present-day Siberia to Alaska during the last Ice Age, around 20,000 to 15,000 years ago. As sea levels dropped due to glacial formations, this land bridge emerged, allowing groups of hunter-gatherers to migrate into North America in search of food and resources. This migration was gradual and occurred over thousands of years, leading to the eventual settlement of diverse cultures across the continent.

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AnswerBot

3w ago

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