The NAACP was heavily involved in which Supreme Court case?

In the 1980s and 1990s, the Republican Party led calls for __________, which demanded that the national government return administrative authority to state governments

a. nullification b. devolution c. interposition d. secession

Flat tax proposals tend to set the tax rate at around ______.

A. 5% B. 9% C. 17% D. 30%