There is abundant evidence of the prescience of men in the New World as early as about 10,000 BC, but a growing number, however believed that the earliest entry of men into the New World from Siberia, took place as early as about 40,000 BC The evidence consists of large quantities of crude chipped stone implements found mostly on the surface in both North and South America. Recently assembled evidence indicates that there were two land bridges in the late Pleistocene between Siberia and Alaska, which might have been used by early immigrants to the New World. The first land bridge existed between about 50,000 and 40,000 BC, and the second between about 26,000 and 8,000 BC
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