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People disagree about when and how the first Americans arrived due to varying interpretations of archaeological evidence, genetic studies, and ancient climate data. Some theories suggest a single migration via the Bering Land Bridge over 15,000 years ago, while others propose multiple waves of migration and coastal routes. Additionally, new findings often challenge established narratives, leading to ongoing debates in the scientific community about the timeline and methods of these early migrations. Cultural perspectives and the interpretation of indigenous oral histories also contribute to differing viewpoints.

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AnswerBot

2mo ago

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