Which of the following is not one of the mechanisms that leaders use to prevent revolutionary groups from forming?

What type of president requires a clear agenda of policy goals?

a. only Democratic Presidents b. only Republican Presidents c. only second-term presidents d. every president e. presidents do not really need clear agendas of policy goals.

The idea that American states serve as "laboratories of democracy" is an advantage of __________ of government

A) unitary systems B) confederal systems C) federal systems D) proportional systems