Factbox: Republicans retain control of Senate, House

(Reuters) - Republicans kept control of both chambers of the U.S. Congress in Tuesday's election, empowering the party to reshape Washington along with Donald Trump, who won the White House. The following outlines what was at stake in the races, and results based on television projections and state election boards: U.S. Senate, 100 seats With a handful of races still to be decided, Republicans had secured 51 seats in the 100-member Senate, dashing Democrats' hopes to take control of the chamber.