Which statement best explains how political parties are able to exert influence over U. S. public policy?
A. Parties offer campaign funds to candidates who will support the
party's platform once in office.
B. Party members work to limit the influence of political action
committees on public policy decisions.
C. Party leaders bring together voters with opposing values to enable
policy compromises.
D. Parties ensure that their members are unable to vote
independently on most public policy issues.