USA HISTORY

Detailed explanation-1: -American Indians could move from their rural tribes to metropolitan areas such as Chicago, Denver, Los Angeles, Cleveland, and Seattle. BIA pledged assistance with locating housing and employment. Numerous American Indians made the move to cities.

Detailed explanation-2: -The ancestors of the American Indians were nomadic hunters of northeast Asia who migrated over the Bering Strait land bridge into North America probably during the last glacial period (11, 500–30, 000 years ago). By c. 10, 000 bc they had occupied much of North, Central, and South America.

Detailed explanation-3: -As of 2008, genetic findings suggest that a single population of modern humans migrated from southern Siberia toward the land mass known as the Bering Land Bridge as early as 30, 000 years ago, and crossed over to the Americas by 16, 500 years ago.

Detailed explanation-4: -The scientific community generally agrees that a single wave of people crossed a land bridge connecting Siberia and Alaska around 13, 000 years ago. This theory is called the Bering Strait Theory, named after the waterway between eastern Russia and western Alaska.