In general, you would expect the platform of a political party to
a. determine the outcome of a general election.
b. lead to a national convention.
c. guide the political issues of the party's candidate.
d. consist of party leaders called planks.

In general, you would expect the platform of a political party to C) guide the political issues of the party's candidate. Party platform is defined as "a list of the values and actions which are supported by a political party or individual candidate, in order to appeal to the general public, for the ultimate purpose of garnering the general public's support and votes about complicated topics or issues."