How did the global cold spell that endured from about 25,000 bp to 14,000 bp make it possible for ancient americans to make their way to the western hemisphere?

This cold spell managed to freeze big portions of the water in the seas and oceans, and this was especially evident further north were huge masses of ice were covering what was once a sea. Because of this, the Bering Land Bridge was created between Asia and North America, which allowed the people from Siberia to be able to cross the space between the two continents and settle in the Americas.

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explanation:

social contract theory, nearly as old as philosophy itself, is the view that persons' moral and/or political obligations are dependent upon a contract or agreement among them to form the society in which they live