of voters named health care, foreign policy, or illegal immigration as their top issues, or same-sex marriage, Ebola, or the legalization of marijuana as their top issues. Federal elections With a final total of 247 seats (56.78%) in the House and 54 seats in the Senate, the Republicans ultimately achieved their largest majority in the U.S. Congress since the 71st Congress in 1929. Congressional elections Senate elections All 33 seats in Senate Class II were up for election. Additionally, three special elections were held to fill vacancies in Class III. Of the 36 Senate races, the Republican Party won 24 (a net gain of nine seats, which represents the largest gain for a party in the Senate since 1980, and the largest Senate gain in a midterm since 1958) and the Democratic Party won 12, thus resulting in the Republicans regaining control of the Senate for the first time since 2006, with a total of 54 seats. The race in Louisiana headed to a run-off on December 6, 2014, in which Rep. Bill Cassidy (R) defeated 3-term incumbent Sen. Mary Landrieu 55.9% to 44.1%. House of Representatives elections All 435 voting seats in the United States House of Representatives were up for election. Elections were held to select the delegates for the District of Columbia and four of the five U.S. territories. The only seat in the House not up for election was the Resident Commissioner of Puerto Rico, who serves a four-year term. The Republican party won 247 seats (a net gain of 13 seats) and the Democratic Party, 188 seats. Thus, the Republicans gained their largest majority in the House since 1928. Nationwide, Republicans won the popular vote for the House of Representatives by a margin of 5.7 percent. On March 11, there was a special election for Florida's 13th congressional district, won by the Republican Party. State elections Gubernatorial elections Elections were held for the governorships of 36 U.S. states and three U.S. territories. The Republican Party won 24 of the 36 state governorships for a net gain of two seats, as they picked up open Democratic-held seats in Arkansas, Maryland and Massachusetts and defeated incumbent Governor Pat Quinn in Illinois, while Republican incumbents Tom Corbett of Pennsylvania and Sean Parnell of Alaska respectively lost to Democrat Tom Wolf and independent Bill Walker. This cycle marked the first time an incumbent Governor running for re-election in Pennsylvania