California Democrats are poised to pass a contentious redistricting effort on Thursday in the latest escalation to a national back and forth that could prove critical in which party is able to win the U.S. House in next year's midterm elections.

California Democrats are taking up their proposed constitutional amendment to temporarily redraw their congressional maps, hours after Republicans in the Texas House passed new maps of their own.

California Gov. Gavin Newsom using his Democratic supermajority to push a new congressional map that favors Democrats in an effort to nullify the expected new congressional map from Texas.