Missouri's top race is between Eric Schmitt and Trudy Busch Valentine for a U.S. Senator seat. The state is requiring residents to have voter identifications in this year's election.
Maine Gov. Janet Mills will face off against GOP predecessor Paul LePage. In the 2nd House district, former Rep. Bruce Poliquin hopes to oust Rep. Jared Golden, whom he lost to in 2018.
While Democratic Gov. Ned Lamont and Sen. Richard Blumenthal are considered safe, Connecticut Republicans hope to make significant gains in the state legislature.
The North Dakota race for the open U.S. House seat is between incumbent Kelly Armstrong and Cara Mund. All three congressional seats in the state are currently held by the GOP.
Democratic Delaware Rep. Lisa Blunt Rochester is expected to easily win re-election, as is Auditor Lydia York, who previously unseated an incumbent indicted on corruption charges.