A Shift in Congress, but Not in Presidential Power
The November 2026 midterm elections could change the political balance in Washington. Democrats are expected to regain the House, while control of the Senate remains uncertain. This could end the Republican control that has allowed Trump’s agenda to move forward with fewer obstacles. However, winning Congress would not necessarily give Democrats enough power to restrain the president effectively.
Even with a congressional majority, Democrats would face important limitations. They could block legislation and use oversight powers, but Trump could still rely on executive orders, emergency powers, and regulatory actions. Foreign policy would give him particularly broad freedom to act. Therefore, congressional opposition could become stronger without necessarily translating into major changes in presidential policy.
Congress as a Political Pressure Point
Still, Democrats would have several ways to pressure the administration. Control over government funding and the debt ceiling could become particularly important because both require congressional approval. These negotiations might force Trump to make concessions, although using them aggressively could also produce government shutdowns and significant political costs.
Meanwhile, winning the Senate would give Democrats greater influence over presidential appointments. Investigations could also expand into Trump’s administration, family businesses, and decisions concerning the Iran war. Yet the administration could resist subpoenas, invoke executive privilege, and take disputes to court. As a result, congressional investigations might generate political pressure without producing immediate consequences.
Beyond these institutional battles, impeachment could once again enter the political debate. Democrats could use it to challenge presidential misconduct, but the process could also consume political resources and expose them to accusations of partisan overreach. This makes oversight a powerful symbol of opposition, while leaving its practical impact uncertain.
When Political Limits Become Real-World Crises
More serious constraints on Trump could emerge from events outside Congress’s direct control. A recession, military conflict, natural disaster, or public health emergency could place enormous pressure on an already strained government. The federal workforce has been weakened, fiscal resources are under pressure, and policymakers remain poorly prepared for challenges associated with artificial intelligence.
The midterms could therefore change who controls Congress without resolving the deeper problem of presidential power. Trump would retain considerable ability to act independently, while Congress could struggle to impose meaningful limits. For US allies and partners, this creates a difficult situation: the president can still generate major disruptions, while the country may have fewer institutional resources to absorb their consequences.
Reference: Yoeli, M. (2026, September 9). What the US midterms could mean for Trump’s power. Chatham House. https://www.chathamhouse.org/2026/09/what-us-midterms-could-mean-trumps-power