Hakeem Jeffries and Chuck Schumer prepare for a shift in congressional power, with voters demanding economic relief and stronger presidential oversight while Trump retains his veto.

WASHINGTON (FNN) — Democrats won control of the House and Senate in Tuesday’s midterm elections, delivering a major setback to President Donald Trump and positioning congressional Democratic leaders Hakeem Jeffries and Chuck Schumer to challenge his administration during the final two years of his presidency.

The victories extended into traditionally Republican territory, with economic anxiety and opposition to the Iran war helping reshape the electoral map. Reuters reported Democratic breakthroughs in states including Texas, Kansas and South Carolina.

The results put Democrats in position to control both chambers when the new Congress convenes in January. Several contests remained unresolved Wednesday, leaving the final size of their majorities unsettled.

Jeffries positioned for historic House speakership

The Democratic House victory puts Jeffries, a New York congressman, in line to become the first Black speaker of the House.

His elevation is not automatic. Winning a congressional majority gives Democrats the opportunity to elect the speaker, but Jeffries must secure the necessary support in a House floor vote.

Jeffries will also face the task of uniting moderate and progressive Democrats around an agenda that can survive divided government. Reuters reported that his priorities include addressing affordability and reversing Republican cuts to Medicaid.

“We’re going to fight to make sure that we make this country affordable for every single American,” Jeffries told supporters, according to NPR.

Senate victory expands Democrats’ leverage

The Senate result gives Democrats influence over legislation, presidential nominations and committee investigations.

Schumer, the Senate Democratic leader, described the outcome as a “generational remake of the Senate map,” according to reporting published by WTTW. His leadership position in the incoming Congress remains subject to the Democratic caucus’s selection process.

Democratic Senate victories included Republican-held seats in North Carolina, Ohio, Iowa, Kansas, Texas and South Carolina, according to Roll Call. The gains give the party an opportunity to scrutinize administration nominees and shape the chamber’s agenda.

A majority, however, does not eliminate every procedural obstacle. Under existing Senate rules, ending debate on most legislation generally requires 60 votes, making Republican cooperation important for many proposals.

Affordability crisis moves to the center of the agenda

The election creates pressure on Democrats to demonstrate that congressional control can produce practical relief.

Jeffries has outlined priorities involving affordable housing, education, health care and retirement security. Those subjects reflect the household expenses that helped drive the campaign and will shape expectations for the incoming majority.

But passing bills through Congress and delivering changes in law are separate challenges. Democrats will need agreement between their chambers, a workable approach to federal spending and, in many cases, negotiations with the White House.

Their political test will extend beyond opposition to Trump: Voters will be able to judge whether the new majority advances credible proposals and explains the costs, benefits and obstacles involved.

Iran war raises questions about congressional authority

Opposition to the Iran war helped fuel the Democratic gains, according to Reuters. The outcome increases pressure for congressional scrutiny of military objectives, spending and the administration’s strategy.

For lawmakers seeking to prevent wars they consider unnecessary, Congress has constitutional tools that extend beyond public criticism.

The Constitution gives Congress authority to declare war, raise and support armed forces, and control appropriations. The president serves as commander in chief, creating a division of responsibilities rather than placing every military decision in one branch.

A Democratic Congress could hold hearings, examine the administration’s legal justifications and consider legislation governing military operations or funding. Such measures would face their own legal, procedural and political constraints; an election result alone does not end a conflict.

Trump retains veto power

Trump will remain president, and the change in congressional control does not remove his constitutional authority to veto legislation.

A veto can be overridden only with a two-thirds vote in both the House and Senate. Democratic majorities therefore do not, by themselves, guarantee enactment of their legislative agenda.

Trump signaled resistance to the incoming majority’s proposals after the election, sharing an image of a cap bearing the word “VETO,” according to WTTW’s reporting.

The result sets up negotiations and potential confrontations over spending, domestic programs and national security. Congress can also conduct oversight without first obtaining the president’s agreement to new legislation.

“No king”: Voters seek stronger checks and balances

The election offered evidence of substantial public demand for Congress to exercise greater independence.

About seven in 10 voters said Congress was not doing enough to provide checks and balances on the president, according to the AP Voter Poll. The finding also carries a caution for Democrats: Dissatisfaction with Republican governance does not necessarily translate into unconditional support for the opposing party.

The phrase “no king in America” expresses a principle underlying the constitutional system: Presidential authority exists alongside the powers of Congress and the courts. The same constitutional limits apply regardless of which party controls an institution.

For Jeffries, Schumer and the incoming majorities, the task will be to translate electoral success into accountable government — addressing economic concerns, examining military commitments and exercising congressional authority within the Constitution.