The one-sided 407-23 vote Thursday belied the emotional infighting over how to respond to freshman Representative lIhan Omar's recent comments suggesting House supporters of Israel have dual allegiances. For days, Democrats wrestled with whether or how to punish the Minnesota Democratic lawmaker, arguing over whether Omar, one of two Muslim women in Congress, should be singled out, what other types of bias should be decried in the text and whether the party would tolerate dissenting views on Israel.

Republicans generally joined in the favourable vote, though nearly two-dozen opposed the measure, one calling it a "sham".

Generational as well as ideological, the argument was fuelled in part by young, liberal lawmakers - and voters - who have become a face of the newly empowered Democratic majority in the House. These lawmakers are critical of Israeli Prime Minister Benjamin Netanyahu's government, rejecting the conservative leader's approach to Palestinians and other issues.

They split sharply from Democratic leaders who seemed caught off guard by the support for Omar and unprepared for the debate. But the leaders regrouped.

"It's not about her. It's about these forms of hatred," Speaker Nancy Pelosi said before the vote.

The resolution approved Thursday condemns anti-Semitism, anti-Muslim discrimination and bigotry against minorities "as hateful expressions of intolerance." Omar, a Somali-American, and fellow Muslims Rashida Tlaib of Michigan and Andrew Carson of Indiana, issued a statement praising the "historic" vote as the first resolution to condemn "anti-Muslim bigotry."

Some Democrats complained that Omar's comments on Israel had ignited all this debate while years of President Donald Trump's racially charged rhetoric had led to no similar congressional action.

Australian Associated Press