Answer:
According to researches, the Native population in Americas before the arrival of Europeans was around 100 million people, while some are estimating that it was even more.
Explanation:
Before Europeans arrived in America, many native culture were developing and some were even at their peak.
But when the conquistadores came, they killed a lot of them, while a lot of them died due to diseases that were brought by Europeans.
The population in just a couple of decades fell from 100 millions to just a couple of millions.
