The Major Problem in the 1876 Presidential Election Centered on

The major problem in the 1876 presidential election centered on

A) the Supreme Court's decision to throw out tainted ballots from the South.
B) the two sets of election returns submitted by Florida, South Carolina, and Louisiana.
C) the post-election discovery that Samuel Tilden had been a Copperhead.
D) President Grant's campaign for a third term.
E) the closeness of the election results in Florida.