How Do State and Local Party Organizations Differ from National

How do state and local party organizations differ from national party organizations in terms of influence over a candidate's campaign?

A) State and local party organizations coordinate volunteers for the party, while the national party handles everything else.
B) The national party tends to handle most of a candidate's campaign strategy and relies on state and local party organizations to mobilize the vote.
C) State and local party organizations have a greater role in organizing and developing a candidate's campaign than the national party.
D) The national party provides advice for a candidate's campaign, while the state and local party organizations play a minimal role.