Hillary Clinton Hillary Diane Rodham ClintonWhat Senate Republicans have said about election-year Supreme Court vacancies Bipartisan praise pours in after Ginsburg's death Trump carries on with rally, unaware of Ginsburg's death MORE on Monday hit back at Democratic rival Bernie Sanders Bernie SandersKenosha will be a good bellwether in 2020 Biden's fiscal program: What is the likely market impact? McConnell accuses Democrats of sowing division by 'downplaying progress' on election security MORE’s assertion that she will have to realign her positions if she wins the nomination in order to attract the Vermont senator’s supporters.

During an MSNBC town hall, airing directly after a Sanders appearance, Clinton noted that she and Sanders share similar views on many positions. But the Democratic front-runner argued that her thorough proposals and past experience are the reasons why she's leading in the primary and has garnered more votes.

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“I am winning because [of] what I stand for and what I’ve done and what my ideas are,” Clinton said. “I think we have much more in common, and I want to unify the party."

“There are so many areas where I’m more specific, where I have a track record, where I explain what I will do, and I think that’s why I have 2.7 million more votes than he does,” she added.

Clinton referenced her tough primary with then-Sen. Barack Obama Barack Hussein ObamaObama calls on Senate not to fill Ginsburg's vacancy until after election Senate Republicans face tough decision on replacing Ginsburg Cruz: Trump should nominate a Supreme Court justice next week MORE (D-Ill.) in 2008, noting that when she withdrew from the race, she gave him a full-throated endorsement and encouraged her devoted supporters to back him in the general election. The former secretary of State chided Sanders for stating "conditions" to earn supporters.

“We got to the end in June, and I did not put down conditions. I did not say, 'You know what, if Sen. Obama does X, Y, and Z, maybe I’ll support him,'” Clinton said. “I said I am supporting Sen. Obama, because no matter what our differences might be, they pale in comparison to the differences between us and the Republicans.

“So from the time I withdrew and until the time I nominated him at the convention in Denver, I spent an enormous amount of time convincing my supporters to support him,” she added. “That is what I think one does. That’s what I did and I hope that we will see the same this year.”

In an earlier MSNBC town hall on Monday, Sanders said it’s Clinton’s responsibility to appeal to his loyal supporters.

"It's incumbent upon Secretary Clinton to reach out not only to my supporters, but to all of the American people with an agenda that they believe will represent the interests of working families, lower income families, the middle class, those of us who are concerned about the environment, and not just big money interests," Sanders said.

But when pushed by moderator Chris Hayes about whether he’d help Clinton if he fails to clinch the nomination, Sanders relented a bit.

"I will do everything in my power to make sure no Republican gets into the White House in this election," Sanders said.