Answer:
a. single-issue groups, such as environmental groups and right-to-life groups.
Explanation:
Political Action Committees (PACs) are interest groups that were created for the sole purpose of raising money from their members and contributing them to candidates and political parties. In the United States, the creation of PAC was authorized in 1974 by the Federal Election Campaigns Act. This Act allowed corporations, labor unions and other special interest groups to create a PAC to raise and invest their members' money in the campaigns. The intention of this law was to clean electoral financing. However, the expenditure of the CAPs has increased substantially and has become a major conflict in Campaign Financing.
