Democrats take key Senate seats and aim for majorities in both houses of Congress Democrats won key seats in the battle for control of the Senate on Tuesday and turned in strong showings in parts of the country where Republicans have long won by wide margins. Thus, voters have given their first national verdict on Donald Trump's second term. According to the Associated Press, Democrats took North Carolina's senatorial seat from Republicans and maintained control of seats in Georgia and New Hampshire. They also won their first two Republican House seats overnight, in western North Carolina and central New Jersey.