Chants of "equal pay" reverberated from the bleachers of the Stade de Lyon in France on Sunday following the U.S. women's national team's 2-0 victory over Netherlands to win the FIFA Women's World Cup. 

Videos posted on social media showed different sections of fans repeatedly and loudly chanting "equal pay," a reference to the disparity between the income of the U.S. women's and men's national teams. 

The pay gap between men and women gained increased scrutiny as the U.S. women marched to their second consecutive World Cup title and record-breaking fourth championship overall. 

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The women's team is engaged in a gender discrimination lawsuit against the United States Soccer Federation because the organization pays male players far more than female players. 

For example, each player on the U.S. women's national team could receive about $260,000 in maximum earnings for winning the Women's World Cup, according to documents obtained by The Guardian, while each player on the U.S. men's national team could have earned nearly $1 million if the club had won the World Cup. 

Democratic lawmakers, including multiple 2020 presidential candidates, have spoken out about the issue in recent months. Sen. Kamala HarrisKamala Devi HarrisCensus workers prepare to go door-knocking in pandemic Democrats awash with cash in battle for Senate Tammy Duckworth hits back at Tucker Carlson: 'Walk a mile in my legs' MORE (D-Calif.), Sen. Elizabeth WarrenElizabeth WarrenThe Hill's Campaign Report: Democratic Unity Taskforce unveils party platform recommendations Progressive activist Ady Barkan endorses Biden, urges him to pick Warren as VP Congress must act now to fix a Social Security COVID-19 glitch and expand, not cut, benefits MORE (D-Mass.) and Sen. Kirsten GillibrandKirsten GillibrandDemocratic lawmakers call for expanding, enshrining LGBTQ rights The Hill's 12:30 Report: Fauci 'aspirationally hopeful' of a vaccine by winter The Hill's Morning Report - Officials crack down as COVID-19 cases soar MORE (D-N.Y.) in March signed on to a letter spearheaded by Sen. Dianne Feinstein (D-Calif.) urging the United States Soccer Federation president to "ensure that the U.S. Women's National Team is fairly compensated."

Rep. Alexandria Ocasio-CortezAlexandria Ocasio-CortezHispanic Democrats build capital with big primary wins OVERNIGHT ENERGY: Sanders-Biden climate task force calls for carbon-free power by 2035 | Park Police did not record radio transmissions during June 1 sweep of White House protesters | Court upholds protections for Yellowstone grizzly bears Biden-Sanders 'unity task force' rolls out platform recommendations MORE (D-N.Y.) chimed in on the controversy on Sunday, tweeting, "At this point we shouldn’t even be asking for #EqualPay for the #USWMNT - we should demand they be paid at least twice as much."