The two largest U.S. states have launched a congressional mid-decade redistricting war, and several other states are joining the fray ahead of the 2026 midterm elections, which Democrats hope will mark the end of Republicans’ control of the federal government.

The map’s passage was a major victory in President Trump’s push to get Republican state leaders to help his party keep control of the U.S. House.

Gov. Greg Abbott is expected to sign the bill into law, setting up race to redraw maps in California to neutralize Republican gains.