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Scientists believe that the first people reached North America via a land bridge known as Beringia, which connected Asia and North America during the last Ice Age, around 20,000 to 15,000 years ago. As glaciers receded and sea levels dropped, these early inhabitants migrated across the bridge in search of food, following herds of large animals. Over time, they spread across the continent, adapting to various environments. This migration is supported by archaeological evidence and genetic studies of Indigenous peoples.

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1mo ago

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