What caused the population growth among Native Americans in central Mexico about 3,500 years ago?

Which is likely the most serious problem associated with an epidemic? 1. there are sometimes no cures to the diseases that spread. 2. people often die from the diseases that spread. 3. there are usually no ways to prevent people from getting ill. 4. people often don’t know they have a disease.

How did the supreme court decision in the slaughterhouse cause an affect american business

What was the underlying cause of the cold war?