What Is the Primary Benefit for a Candidate Who Emerges

What is the primary benefit for a candidate who emerges as a frontrunner in a political party's campaign for president?

A) The federal government increases the amount of funding for the campaign.
B) Media coverage of the candidate tends to increase significantly.
C) The candidate will automatically be granted a win in the first round of primaries.
D) It guarantees the candidate a spot on the general election ballot.
E) State governments are required at this point to contribute campaign funding for the candidate.