Voters head to the polls Tuesday to decide control of Congress in a midterm election that could have major implications for the remainder of President Donald Trump's term in office.
Republicans are defending House and Senate majorities amid the public's frustration over high consumer prices, an enduring war with Iran, the perception of corruption in the government and an immigration crackdown that has swept up American citizens and people in the country legally.
Democrats are hoping to capitalize on Trump's persistently low approval ratings and are widely projected to take back the U.S. House, potentially making House Minority Leader Hakeem Jeffries, D-N.Y., the first Black speaker of the House in U.S. history.
The Senate outlook is hazier, but Democrats have surged late, making races competitive in states that until recently seemed out of reach.
The results of Tuesday's election could shift power in Washington and have a profound effect on Trump's final two years in the White House. Here's what to watch: