Answer:
Option A
Explanation:
During the colonial era where Europeans started settling and colonizing all over the country brought many germs with them that they were immune too. Because of that fact "New world diseases" or option A such as: chicken pox, the flu, and malaria sweeping through the country at a alarming rate killing at least 90% of Native Americans in the country.
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Answer:
States gained a large piece of western land know as the Mexican session cession.
I think this is the correct answer, but let me know if it is incorrect. People were having more children per family.
3.) to protect individual rights
