What Effect Did the Increasing Size of the Electorate Have

What effect did the increasing size of the electorate have on American politics?

A) Voters were more likely to make decisions on the basis of the personal characteristics of the candidates.
B) Networks of leaders and activists were assembled to identify and attract new voters and get them to show up at the polls.
C) It increased the reliance of the parties on nominating well-known presidential candidates who could attract easily impressionable voters.
D) Party leaders turned away from mass communications and emphasized the importance of personal contact for getting voters to the polls.