Voters engage in prospective voting when they base their decision on an incumbent president's job performance

In the 1950s, independent voters comprised only a little more than 20 percent of the electorate and by the mid-1990s, they constituted ____________of all voters.

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

Constitutions serve to _____

a. give legitimacy to the government b. organize the government c. grant specific powers to the government d. limit the power of the government e. all of these