President Donald Trump's desire to secure the Republican majority in Congress has prompted an unusual burst of mid-decade redistricting in multiple states.

North Carolina is the latest to take action. The Republican-led General Assembly approved changes Wednesday to U.S. House district designed to help the party unseat a Democratic incumbent.

Texas was the first to answer Trump's call to redraw its congressional districts for the GOP's advantage ahead of next year's elections. Democrats in California countered with their own redistricting effort, followed by Republicans in Missouri. Other states are considering joining the redistricting battle.

U.S. House districts typically are redrawn once a decade, immediately after a census. But some states have no rules against redistricting more f

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