Which situation best shows the idea of an opportunity cost A. A business selects the price for a good based on supply and demand
B. a government decides to increase its involvement in an economy.
C. An economy begins to grow because of increased business competition.
D. An economic choice stops a person from making a different choice.

they died because of a disease during the first spanish colonies.

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b

disease was the number one killer of native peoples. they had had little exposure to the diseases of europe. this led to some villages being almost completely wiped out and some tribes destroyed.