How did the U.S. Constitution solve a problem created by the Articles of Confederation?

a. It avoided the issue of the state's rights.
b. It allowed the states to elect representatives.
c. It enabled the federal government to collect taxes.
d. It prevented the amendment of federal laws.

c. It enabled the federal government to collect taxes.

The U.S. Constitution solved a problem created by the Articles of Confederation by enabling the federal government to collect taxes. (c)