Which are cost that you must sacrifice because of a decision
a. dividends
b. financial
c. opportunity
d. production

What are objects called that have value in and of themselves as well as value as a means of exchange? custom commodity money currency simple money

He constitution dictates that the presiding officer of the senate is the a) majority whip. b) vice-president. c) majority leader. d) speaker of the house.

New communication technologies, improved transportation, and advanced military weapons made it possible for countries to speed up acquiring territory. rule large amounts of territory. fight off competition from opposing nations. expand their economies, which aided in conguest.