When did people firstarrive in america

There was limited contact between North American people and the outside world before 1492. Several theoretical contacts have been proposed, but the earliest physical evidence comes from the Norse or Vikings. Erik the Red founded a colony on Greenland in 985 CE.

Explanation:

during the ming dynasty

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question - in the 1900s there were two competing views about the environment that often pitted industrialist and conservationist against one another. how were these two competing views demonstrated by the environmental policies of president roosevelt and president taft?

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