What proportion of Americans have private health insurance of some kind—either through an employer or purchased individually?

According to Herbert Hyman the most influential agencies of political socialization is _______.

Fill in the blank(s) with the appropriate word(s).

Interest groups are important subjects of study in American politics because __________

a. they are always successful in getting their demands met by government b. they provide a venue for citizens to participate in government c. most lobbyists eventually serve in Congress d. they determine who runs for elected office