The population density was about 19 people per square mile in North America
900 million, or about 13 percent of the world's population.
In the millions of Native Americans societies.
In 1492, Christopher Columbus discovered the continents of North America and South America.
1492
1492
Christopher Columbus
1492
before 1492 :)
About 19 people per square mile here.
not 900 million. at most 200 million, but rapidly declined because of famine and disease brought by the Europeans.
catdog with mousecat
Cobot