Answer:Native peoples of America had no immunity to the diseases that European explorers and colonists brought with them. Diseases such as smallpox, influenza, measles, and even chicken pox proved deadly to American Indians. Europeans were used to these diseases, but Indian people had no resistance to them.
Explanation:
The best answer in regards to the specific question appears to be A: Many small towns boomed as people came to drill wells.
I'm pretty sure it was the Julian calendar so Julius Caesar
Because willow tree/wood does not bend and neither does the Constitution.
Answer:
Probably D.
Explanation:
Early farmers used the slash and burn agriculture to clear land so they can make it suitable for crops and livestock. (Sorry if it's wrong.)