estimations cuz that's way to much work
Explanation:
The early migrants firstly settled in America and came across Bering Straight .
Due to these diverse population , they scattered .
And the Natives developed by hunting , gathering , fishing . and started farming , and stayed at one place .
But before the appearance of the Columbian population , North America were having around 16 million Indians .
And
Thereafter , the population of Indians reduces due to the loss of battles against the spread of the White civilizations .
The answer is Mandate System. This is the system that used
to divide or to partition Southwest Asia between Great Britain and France
following WWI. This system was established for the reason to administer the
German and Ottoman empires World War Territories.