Convicting a president in an impeachment case likely will remain out of reach because it takes a two-thirds majority in the Senate, or 67 votes.
A shift in the balance of power in Washington does not necessarily mean they will immediately check items off a legislative wish list.
Committees in both the Senate and House have investigative powers, which they could use to delve into alleged conflicts of interest and other actions by the president and those close to him.
The House has the power to impeach a president, the first step of Congress's process to remove an official from office.
Democrats won control of both chambers of Congress with a comfortable majority, allowing them to pass legislation with relative ease.
The Senate also has the power to confirm or block the president's cabinet and judicial nominations.
Even before the midterms, Congress saw bipartisan efforts to limit Trump's ability to continue the war with Iran.
Reining in Trump's foreign policy could be difficult despite Democrats' majority.
There is an active debate among Democrats about whether impeachment is a good idea.
As they become the opposition heading into the 2028 presidential cycle, Republicans might not be in the mood to help Democrats achieve too many wins.