One way in which the Hayes-Tilden election of
1876 and the Bush-Gore election of 2000 are
similar is that in each election the winner was
(1) selected by the state legislatures
(2) elected without a majority of the popular vote
(3) aided by a third-party candidate
(4) chosen by the United States Supreme Court
The main way in which the Hayes-Tilden election of 1876 and the Bush-Gore election of 2000 are similar is that in each election the winner was "(3) aided by a third-party candidate"