Senate Majority Leader Mitch McConnell Addison (Mitch) Mitchell McConnellMomentum growing among Republicans for Supreme Court vote before Election Day Trump expects to nominate woman to replace Ginsburg next week Video of Lindsey Graham arguing against nominating a Supreme Court justice in an election year goes viral MORE (R-Ky.) on Sunday expressed opposition to using the “nuclear option” to allow the Senate to pass a long-term budget with 51 votes.

“The Republican Conference opposes changing the rules on legislation,” a spokesman for McConnell said.

President Trump Donald John TrumpUS reimposes UN sanctions on Iran amid increasing tensions Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Trump supporters chant 'Fill that seat' at North Carolina rally MORE earlier Sunday suggested Republicans should deploy the tactic if the Senate is unable to come to an agreement to fund the government.

Doing so would allow the party, which holds 51 seats in the Senate, to pass legislation without a single Democratic vote.

Great to see how hard Republicans are fighting for our Military and Safety at the Border. The Dems just want illegal immigrants to pour into our nation unchecked. If stalemate continues, Republicans should go to 51% (Nuclear Option) and vote on real, long term budget, no C.R.’s! — Donald J. Trump (@realDonaldTrump) January 21, 2018

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The issue came up on the second day of a partial government shutdown. Each party has steadfastly blamed the other for the ongoing shutdown.

Republicans have labeled it the “Schumer Shutdown,” in reference to Senate Minority Leader Charles Schumer Chuck SchumerVideo of Lindsey Graham arguing against nominating a Supreme Court justice in an election year goes viral Graham signals support for confirming a Supreme Court nominee this year Pelosi orders Capitol flags at half-staff to honor Ginsburg MORE (D-N.Y.), while Democrats have pointed to Trump and Republicans, who have majorities in both chambers of Congress.

Republicans might not have enough votes to pass a funding bill along strict party lines. Four Republicans voted against the legislation on Friday night. Five Democrats voted for it.