President Joe Biden on Tuesday decried Republican efforts to limit ballot access across the country as a “21st century Jim Crow assault,” while warning Americans that the GOP push to restrict voting and “selfish” challenge of the 2020 election results were “the most significant test of our democracy since the Civil War.”

“There is an unfolding assault taking place in America today, an attempt to suppress and subvert the right to vote in fair and free elections, an assault on democracy, an assault on liberty, an assault on who we are as Americans,” Biden said at the National Constitution Center in Philadelphia.

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