16. The political system that divides power between a central government with authority over the whole
nation and a series of state governments is known as which of the following?
a. Federal system of government
b. Confederation
c. Unitary government
d. Republic

17. Article 1, Section 8 of the U.S. Constitution declares that Congress has the authority to coin money.
Coining money is an example of which of the following?
a. Delegated Powers
b. Implied powers
c. Checks and Balances
d. Concurrent powers.
18. Article 1, Section 8 of the U.S. Constitution grants Congress authority to "regulate commerce among
the several states." Congress passes legislation for Interstate trucking, including safety standards for
trucks and drivers. Which of the following constitutional provisions or principles gives Congress the
authority to set standards for trucks and truck drivers?
a. National Supremacy Clause
b. Implied powers
c. Concurrent powers
d. Equal Protection Clause

19. Which court case overturned segregation in public schools?
a. Plessy v. Ferguson
b. Loving v. Virginia
c. Brown v. Board of Education
d. Plessy v. Board of Education

20. In a legal debate about gay marriage which case will pro-gay marriage advocates cite as precedence
for the legalization of same sex marriages?
a. Plessy v. Ferguson
b. Loving v. Virginia
c. Brown v. Board of Education
d. Plessy v. Board of Education

21. Which of the following is true about Congress?
a. The Constitution vests legislative powers in Congress.
b. Congress has the power of the purse.
c. The Constitution delegates certain powers to Congress in Article 1, Section 8.
d. All of the above.