C. consumers (in market economies businesses base decisions on supply and demand and free enterprise)
Answer:
D. Referendum
Explanation:
If citizens are unhappy if a piece of legislation and want it struck down they have the right to call a referendum. This allows the people to vote on it directly.
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.
Hope this helps.
