What role did the Ice Age play in the settlement of the Americas?

theory's of people differ but the main one is that during the ice age people crossed the "ice bridge" and by that migrated to the Americas and became the indigenous peoples Columbus had mistook for Indians

Explanation:

the ocean was frozen during the ice age so people could walk over the Atlantic to America or from the pacific to America

answer by yourhope:

the speaker of which statement would be best served by joining an interest group?

i want politicians to make more of an effort for lgbt rights!

: )