Blue-collar voters and rural America embraced his aggressive talk and stances. President Trump wants as much as $5 billion to fund the southern border wall, but senior House Democratic advisers have told ABC News that Democrats, with a newly-reclaimed majority - will be loathe to provide one cent for that kind of funding. This happened in 2010 when a Democratic Congress passed the Affordable Care Act - Obamacare - with no Republican votes, and it happened again previous year when the current Congress passed President Donald Trump's so-called tax cuts with only Republican support.
House Democratic leader Nancy Pelosi promised that her party would serve as a counterweight to the White House.
For the past two years, White House lawyers and the Trump Organization have repeatedly rebuffed Democratic efforts to get even the most basic financial information on Trump's businesses.
Tuesday's elections also tested the strength of a Trump-era political realignment defined by evolving divisions among voters by race, gender, and especially education.
The GOP's successes were fueled by a coalition that's decidedly older, whiter, more male and less likely to have college degrees.
Republicans warn that more investigations could blow back against the Democrats for the 2020 USA election.
Record diversity on the ballot may have helped drive turnout. He also said: "They're extremely complex".
Three states could elect their first African-American governors, while several others were running LGBT candidates and Muslims.
With winners called in all but one statewide race, Republicans were on pace to gain three seats in the Senate and defended their lead in governorships by a two-seat margin.
In suburban areas where key House races were decided, female voters skewed significantly toward Democrats by a almost 10-point margin.
Russian fighter jet intercepts US Navy plane
This latest provocation comes as North Atlantic Treaty Organisation conducts training exercises as part of Trident Juncture . It's unclear how close the aircraft came to hitting each other or whether the Russian fighter was armed.
Tlaib will fill the seat formerly occupied by Michigan Democratic Rep. John Conyers, who left office past year amid accusations of sexual misconduct.
The road to a House majority ran through two dozen suburban districts Hillary Clinton won in 2016. Blackburn, a Republican member of Congress who aligned herself closely with Trump and his policies during this race, defeated popular former Democratic governor Phil Bredesen in a tight race by 10 points.
Mr Trump entertains no such thoughts, instead calling Tuesday night's results "very close to complete victory". Beto O'Rourke's Democratic campaign for Senate in Texas fell short by less than 3 percentage points in Texas, a GOP-heavy state that hasn't elected a Democrat to statewide office since 1994.
This is a substantial loss for the Republicans, as they have so far lost 28 seats in the House to the Democrats.
If the White House doesn't block such requests in court, they could shed light on Trump's global business empire - and what role it's playing in U.S. relations with the world.
Previous presidents who have suffered mid-term setbacks have professed humility and said they learned valuable lessons.
He took credit for Republicans having "defied history" by consolidating their grip on the Senate.
Sanders also claimed in a series of tweets that Acosta had placed "his hands on a young woman" during the press conference, despite video that showed Acosta turning away from the female intern when she tried to take his microphone.
Trump encouraged voters to view the 2018 midterms as a referendum on his leadership, pointing proudly to the surging economy at recent rallies. "The president is best when he is on the road talking directly to the American people, and I think last night's results demonstrate that", says Trump's former campaign manager Corey Lewandowski. But in reality, it wasn't - it was a bad loss, a repudiation; the real weakness evident in the two parts of the country where he needs to win to get re-elected suggests Trump will just be a weakened president over the next two years. Kobach had built a national profile as an advocate of tough immigration policies and strict voter photo ID laws. So this was a five-point decline from what was already a low 2016 number.
Presidents nearly always lose a few dozen House seats in the midterms.Barack Obama lost 63 in 2010 and Bill Clinton lost 52 in 1994.