Answer: Researchers estimate that there were 15 million to 20 million American Indians in the territory that would become the United States at the time of first contact with European explorers in the 15th century.
Explanation:
Answer:
I don't know I'm just a beginner but he found something special
C. Because he hates the south and he doesn’t want to live there. His best bet to farm is in Kansas.
C the two over lapped and complemented each other