To calculate GDP we need (a) Quantity of final goods and services produced in a country .
(b) Prices of final goods and services.
A. Only (a)
B. Only (b)
C. Both (a) and (b)
D. Neither (a) and (b)

the results of roman expansion produced social conflict and civil war. julius caesar gained power and became a dictator but was then assassinated. the reign of augustus began a long period of imperial rule and peace in the roman empire. rome faced the problems of how to maintain peace, law, and order.

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c, because the american revolution was from 1765 to 1783.

interest groups send representatives to state capitals and to washington, d.c. to put pressure on members of congress and other policymakers. they engage in lobbying, or the organized process of influencing legislation or policy. lobbying can take many forms. interest groups can testify in congressional hearings.