During his presidential campaign, jimmy carter asked americans to vote for him mainly because he a) had more experience than his running mate, gerald ford. b) knew how to combat high unemployment and high inflation. c) was an expert at negotiating with leaders of other countries. d) could restore americans’ faith in their government after watergate.

The answer is option D.

Explanation: Jimmy Carter was elected as 39th president of America by defeating Gerald Ford. During the election campaign Jimmy Carter asked Americans to vote him because he could restore American's faith in their government after Watergate scandal which was the cause of resign of President Nixon. Carter presented himself as a reformer to the voter who could bring change. He also took advantage of presidential pardon of Nixon by president Ford. This incident helped him to draw the attention of the voter about the weakness of Ford.

So it can be said that restoring the faith to the government  after Watergate scandal worked as a key factor for Carter in the campaign.

c or d both can be the answer