Why did benjamin harrison and grover cleveland not campaign prior to the election of 1892?

there were no campaign issues.
harrison's wife was gravely ill.
neither one was running for president.
there was a depression going on.

B. Harrison’s wife was gravely ill is the right answer

Explanation:

Benjamin Harrison was the president in 1889.  

He increased the strength of the US Navy. He also singed Sherman’s antitrust act into law. He was also known for his civil rights legislation.  

He was defeated in politics by the Democrat Cleveland by getting more than 90 000 votes. Four years later, again Harrison stood in elections, but could not campaign as his wife was ill. She died two weeks before the elections.

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