The US Senate took an initial step on Tuesday towards pushing through a massive economic aid package proposed by President Joe Biden, but bipartisanship was absent.

The Senate voted 50 to 49 in a straight party-line decision to begin the budget reconciliation process (one Republican did not vote).

The procedural move opens the door for Democrats, who hold a slim majority with the tie-breaking vote of Vice President Kamala Harris, to push through the COVID-19 rescue package on their own, avoiding the filibuster that requires 60 votes for most legislation.

Besides $1,400 stimulus checks, Biden’s proposal would pay for programs to help schools safely reopen, accelerate COVID-19 testing and vaccine distribution, financially support small businesses, extend unemployment benefits through September and increase food aid for those in need.

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Democratic Senate majority leader Chuck Schumer said a “big bold package” is needed to avoid the long, drawn out recovery experienced in the aftermath of the 2008 Global Financial Crisis.

“We are not going to dilute, dither or delay, because the needs of the American people are just too great,” he said.

A delegation of Republican senators met Biden on Monday in an effort to find common ground on the pandemic recovery effort, but the proposal they offered was only a third of Biden’s $1.9 trillion total and omitted key elements.

According to Schumer, Biden held a video meeting with Democrats the next day and made it clear that he would agree to modifications. 

The Senate Majority Leader noted that there is “overwhelming support” for the president’s American Rescue Plan.

Despite all the efforts, bipartisanship seems an elusive goal given the wide divisions, and Schumer said “we’d be mired in the COVID-19 crisis for years” if the Senate went along with the Republicans’ $600 billion proposal, which does not include help to state and local governments, and provides a smaller aid payment to individuals.

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White House spokeswoman Jen Psaki told reporters Tuesday that the size of the package was due to the size of the problem created by the pandemic.

“The size of the package was determined not for shock value but to address the dual crises that we’re facing,” she said.

Meanwhile, progressive Senator Bernie Sanders rejected Republican criticism of Democrats use of the budget process for the stimulus, saying the opposition party has used it repeatedly, including for tax cuts.

“If Republicans can use reconciliation to help the wealthy and the powerful and pass legislation strongly opposed by the American people, we can and must use reconciliation to help Americans recover from the worst economic and public health crisis in the modern history of our country,” Sanders said in the Senate.