 Giving the oath of office was Chief Justice John Marshall.Unlike the contentious election of 1800, in which Jefferson narrowly defeated strong opposition from Federalists and a bipartisan conspiracy to replace him with his own running mate and campaign manager, Aaron Burr, with the House of Representatives determining the winner, the 1804 election was far less dramatic.The Federalists, severely weakened, struggled to muster serious opposition and to select a candidate.