An example of a collective good is

When the powers given to the national government are sharply divided from those of the states, the system is labeled ___________

a. dual federalism b. creative federalism c. devolution d. sovereignty

One way that lobbyists increase the credibility of their messages is by ______.

A. threatening electoral retaliation against any politician who disagrees with them B. hiring scientists or scholars to testify at congressional hearings to back technical claims made by the lobbyists C. repeatedly using phrases such as "studies have shown" D. taking public officials on exotic vacations or "junkets"