Help pl 1. In regards to production possibilities curve, opportunity cost means...

A. the value of the next best alternative
B. Everything is free
C. the marginal value of each option
D. Other:

How did african americans the union during the civil war? a. by serving as representatives in congress b. by enlisting in the military to fight c. by organizing massive slave revolts in the south d. by negotiating for peace with the confederacy

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

Which of the following associations is incorrect? a. franklin d. roosevelt-social security b.theodore roosevelt- conservation of natural resources c. franklin d. roosevelt- the panama canal d.theodore roosevelt-the russo-japanese war