Which of the following is true of congressional incumbents who run for re-election?
a.
incumbent senators are more likely to be re-elected than are incumbent members of the house of representatives.
b.
incumbents are prohibited by law from spending more on their re-election campaigns than their challengers spend.
c.
incumbents have a great advantage over challengers because they are better known and can raise campaign funds more easily.
d.
most incumbents who run for re-election are unopposed in the general election.

C is your Answer

I know this because...

In all elections, but especially in the case of congressional elections, the outcome of an election is often driven by factors and events beyond the control of the candidates and parties., Even strong candidates or incumbents can lose what might have been considered an easy win.

In congressional campaigns, campaign finance laws and constitutional provisions require particular attention; these, as well as the ungovernable factors of the political and economic climate, shape the way that candidates and their teams, as well as political scientists, must think about these elections.

i r r e l e v a n t

well considering i can't see the graph, it's probably prices