Which term is used to describe the basic economic problem that forces people to make decisions about how to use resources wisely? opportunity cost
scarcity
comparative advantage
profit

Donald trump will plan to use his emergency powers to build the wall between the us and mexico, instead of shutting down the government again?

In 1819, what did the united states obtain from spain for $5 million?

How does nafta affect relations between the united states and canada? a. it bans immigration between the two countries. b. it opens the borders between the two countries. c. it raises taxes on trade between the two countries. d. it allows free trade between the two countries.