Which of the following depicts an accurate comparison of an interest group's decreasing potential influence based on an interest group's access to resources?
a. The creation of a national court system
b. Appropriation: Allocates funding for programs
Taxing Powers: Levies duties
c. Oversight Power: Investigative Committees
Executive Action: Nominate cabinet members
d. Interest Group's Focus: Economic groups
Resources: Labor unions employ 2 percent of all lobbyists.