US Senate leaders have expressed optimism after a flurry of negotiations on raising the federal debt ceiling to avert a potentially disastrous default.
They were also nearing a deal to end a partial government shutdown, now in its third week, congressional sources said.
A budget bill would also need to pass the House of Representatives, where a faction of conservative Republicans brought on the deadlock two weeks ago.
The US must raise its $16.7tn (£10.5tn) borrowing limit by Thursday.
As he toured a soup kitchen for the poor in Washington DC on Monday, President Barack Obama warned that “defaulting would have a potentially devastating effect on our economy”.
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