The american people forced the native americans to move.
Some estimates put the first human settlements in the Amazon at 32,000 to 39,000 years ago. Since that time, Amazon people have developed lifestyles that are well integrated with the benefits and constraints of rainforests.
An estimated 7-10 million Amerindians (the term for American Indigenous peoples) lived in American rainforests, half of them in Brazil, at the time of European arrival. When Pizarro arrived in Peru, more land was under cultivation and more food was being produced in the Andean region than today.
I think B is the most accurate answer because knowing the daily weather forecast can help you pick a reasonable outfit for a cold or hot day
The answer to this would be A, because they began to spread westward once they decided to head away from the Arctic.
