Hillary Clinton Hillary Diane Rodham ClintonButtigieg stands in as Pence for Harris's debate practice Senate GOP sees early Supreme Court vote as political booster shot Poll: 51 percent of voters want to abolish the electoral college MORE argued on Monday night that Donald Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE won’t be able to question the results of the presidential election if enough voters head to the polls on Tuesday.

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At a massive rally in Philadelphia outside of Independence Hall, the Democratic presidential nominee recalled Trump, at the final presidential debate last month, saying he would keep the country “in suspense” as to whether he’ll accept the election’s outcome.

Democrats and critics have hammered the GOP nominee for his claims of a “rigged” election and argue that his comment at the debate threatens democracy and America’s electoral process.

“There are a lot of horrifying things my opponent has said, but probably the most horrifying thing was at the end of the last debate,” Clinton said on the eve of the election. “He then launches an attack on our democracy, refusing to say whether or not he would accept the outcome of the election.”

“Well let’s show tomorrow there will be no question about the outcome of this election,” she added to huge applause.

Clinton used the bulk of her speech at the penultimate rally of her campaign to deliver a positive, upbeat vision of the country’s direction and drew sharp contrasts with her opponent.

She also argued that Tuesday’s election transcends both nominees and comes down to the issues voters care about the most.

“We love this country, we love what it stands for, not that we're blind to it’s flaws ... but I believe with all my heart that America’s best days are still ahead of us,” Clinton said. “We choose to believe in a hopeful, inclusive, big-hearted American ... where everyone has a place.”

“So it’s not just my name or Donald Trump’s name on the ballot tomorrow," she continued.

"Every issue you care about is at stake, and that is just the beginning because we have to bridge the divides in our country,” Clinton said.

Clinton’s final campaign appearance in Pennsylvania included an all-star lineup. She was joined by her husband former President Bill Clinton William (Bill) Jefferson ClintonChelsea Clinton: Trump isn't building public confidence in a vaccine Hillary Clinton launching podcast this month GOP brushes back charges of hypocrisy in Supreme Court fight MORE, daughter Chelsea Clinton, President Obama and first lady Michelle Obama Michelle LeVaughn Robinson ObamaMichelle Obama: 'Don't listen to people who will say that somehow voting is rigged' Michelle Obama and Jennifer Lopez exchange Ginsburg memories Social media platforms put muscle into National Voter Registration Day MORE. Musicians Bruce Springsteen and Jon Bon Jovi performed before their remarks.

The former secretary of State has maintained a slim edge in the Democratic-leaning state. She holds a nearly 2-lead in the Keystone State.