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Politics & Governance31 Oct 2026 · about 6 min

US campaign for control of Congress enters final weekend

The brief

“Control of Congress” means having the majority in one chamber or both: the Senate and the House of Representatives. The majority usually controls the chamber’s agenda, committee leadership, and which bills receive consideration. Congress also oversees the executive branch. This matters because Congress can investigate government actions, approve legislation, and influence national priorities. The article says a Democratic victory in one or both chambers could lead to investigations of the Trump administration, which had enjoyed largely compliant Republican majorities. Control can be divided. One party might win the House while the other keeps the Senate, producing different rules and priorities in each chamber. In the election described, all 435 House seats and 35 Senate seats were being contested. The result would shape President Trump’s final two years in office and determine how closely Congress examines his administration.

01

What does “control of Congress” mean in the US political system?

“Control of Congress” means having the majority in one chamber or both: the Senate and the House of Representatives. The majority usually controls the chamber’s agenda, committee leadership, and which bills receive consideration. Congress also oversees the executive branch.

This matters because Congress can investigate government actions, approve legislation, and influence national priorities. The article says a Democratic victory in one or both chambers could lead to investigations of the Trump administration, which had enjoyed largely compliant Republican majorities.

Control can be divided. One party might win the House while the other keeps the Senate, producing different rules and priorities in each chamber. In the election described, all 435 House seats and 35 Senate seats were being contested. The result would shape President Trump’s final two years in office and determine how closely Congress examines his administration.

02

How many seats are being decided in this election, and how many are needed to control the Senate or House?

This election decides 35 of the Senate’s 100 seats and every one of the House’s 435 seats. Together, that is 470 congressional contests. The Senate races could determine which party controls the upper chamber, while the House races decide its majority.

A Senate majority generally requires 51 of 100 seats. A House majority requires 218 of 435 seats. These thresholds describe a simple majority, although Senate control can involve special arrangements when independents align with a party. The article does not describe those arrangements.

The stakes are unusually broad because the entire House is on the ballot, while more than one-third of the Senate is contested. Democrats need victories across these races to take one or both chambers from Trump’s Republicans. Alaska is especially important because its close Senate contest could affect control of the Senate.

03

Why is the Alaska Senate race especially important, and how might a same-name candidate affect the contest?

The Alaska Senate race matters because Democrats need it as part of a broader effort to take the Senate from Trump’s Republicans. The contest is closely fought, and it is one of 35 Senate races that will shape Trump’s final two years in office. A narrow result could receive national attention.

The controversy involves Daniel J. Sullivan Jr., a retired teacher from a remote fishing village. The New York Times reported that aides to Democratic candidate Mary Peltola recruited him because he shares the Republican incumbent’s name, Dan S. Sullivan. The Justice Department called him a “sham candidate,” though it did not identify a specific crime.

A same-name candidate can make the ballot harder to interpret and may affect how voters distinguish candidates. Peltola denied knowing about the effort, and the retired teacher denied coordinating with her campaign. The dispute also prompted legal action over certification.

04

What is the Department of Justice trying to do in Alaska, and what does certifying election results mean?

In Alaska, the Justice Department is investigating how Daniel J. Sullivan Jr. entered the Senate race. It has also filed motions in a civil lawsuit seeking to prevent Alaska from certifying the Senate results if Republican incumbent Dan S. Sullivan loses. The DOJ’s Alaska prosecutor said the investigation accelerated after a newspaper report.

Certification is the official process by which election authorities confirm the final results and recognize the winners. It normally follows counting, checking, and resolving eligible challenges. The DOJ is not the body that certifies Alaska’s results; it is asking a court to restrict the state’s certification process.

US Attorney Michael Heyman said FBI resources surged and prosecutors were pursuing the matter “intensely and swiftly.” He called the second Sullivan a “sham candidate” but did not say what crime may have occurred. The legal dispute could delay or complicate recognition of the Senate winner.

05

What could change if Democrats gain control of one or both chambers of Congress?

If Democrats win the Senate, the House, or both, they could use congressional majorities to investigate the Trump administration. The article specifically identifies investigations as a possible consequence. Control would also shift committee leadership, hearing priorities, and the agenda for considering legislation.

The article contrasts this possibility with the administration’s previous two years, when Republican majorities were described as largely compliant. A Democratic majority in either chamber could demand information, hold hearings, and scrutinize executive actions. Control of both chambers would give Democrats broader coordination over oversight.

The immediate consequence would depend on which races Democrats win. Taking one chamber would create divided congressional control, while taking both would give them authority across Congress. The election therefore affects more than individual seats: it could determine how closely the administration is examined during Trump’s final two years in office.

06

How does early voting work, and why is nearly 50 million ballots cast before Election Day significant?

Early voting allows eligible voters to submit ballots before Election Day. In the article, that happened either in person or by mail. It spreads voting across multiple days instead of concentrating every ballot on one date, while election officials later count those ballots under election rules.

The scale was striking. More than 49 million Americans had already voted, according to the University of Florida’s Election Lab. Nearly 46 million had voted before Election Day in the previous midterms cited by the article. The new figure therefore represented a record for a midterm election.

This high participation meant campaigns entered the final weekend with many votes already cast. Candidates still had to persuade remaining voters and await the counting process. The record also made early voting a major feature of the contest, alongside the close Alaska race and the nationwide fight for both congressional chambers.

07

How is authority over US elections divided among state governments, Congress, courts, and the executive branch?

US elections are administered mainly by states and local election officials, who manage ballots, counting, and certification. Congress can establish federal election rules, while courts decide legal disputes and whether government actions follow the law. The executive branch, including the Justice Department, can investigate alleged violations and bring cases.

The article’s Alaska example shows this division. Alaska handles certification, while the DOJ investigates the candidate-recruitment allegations and asks a court to block certification if Dan S. Sullivan loses. In California, the administration sued over ballots cast by more than 20,000 registered voters it alleged could be noncitizens.

Courts can limit executive action. A federal judge ordered the DOJ to stop threatening California election officials over the administration’s directives. The article also says the administration sued about 30 states and the District of Columbia for unredacted voter rolls. These disputes show overlapping authority, not one single election controller.

This brief was written by AI from the original reporting and checked by other models. Names, figures and quotes come from the source; read it for full context.

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