House Republicans deserted efforts to go a spending invoice to fund the Agriculture Department and the F.D.A. on Thursday earlier than heading dwelling for summer season break, stymied by inside divisions over funding and social coverage that threaten to make it inconceivable for them to keep away from a shutdown within the fall.

Caught between hard-right conservatives who needed tens of billions of {dollars} minimize from the laws and extra mainstream Republicans who oppose abortion-related restrictions that the far proper insisted upon including, G.O.P. leaders abruptly pulled the plug on their plans to go the $25 billion invoice. That added the agriculture measure to a looming legislative pileup in September, when Congress could have simply weeks to go a dozen spending payments or a short lived patch to keep away from a authorities shutdown on Oct. 1.

The House did handle to approve its first spending invoice of the 12 months, to fund veterans packages and navy development initiatives. But that laws — which generally sails to approval with little opposition — squeezed by means of on an almost party-line vote of 219 to 211, with two conservative Republicans becoming a member of all Democrats in opposition. Democrats mentioned the invoice shortchanged development by greater than $1.5 billion and restricted abortion entry for girls serving within the navy.

The spending clashes encapsulated the difficulties forward for Republicans as Speaker Kevin McCarthy tries to mollify conservatives by chopping spending and including culture-war provisions with out dropping the assist of extra mainstream Republicans, notably these in districts gained by President Biden.

Some of the Republicans writing the spending payments have additionally begun to bristle on the calls for of conservatives who rarely support government funding measures and should in the end oppose the laws.

In the case of the agriculture measure, which additionally funds the Food and Drug Administration, right-wing lawmakers insisted that the invoice embody language that might reverse the agency’s new rule permitting mifepristone — the primary tablet utilized in a two-drug treatment abortion routine — to be distributed by means of the mail and at retail places, considerably increasing entry to it.

The disputes come because the normally bipartisan appropriations course of has derailed within the House amid bitter recriminations. Democrats, incensed that House Republicans have determined to set spending ranges nicely under what Mr. Biden and Mr. McCarthy agreed to earlier this 12 months in their deal to suspend the federal debt limit, are opposing all of the spending payments. The blanket Democratic resistance leaves Mr. McCarthy solely 4 Republican votes to spare if all members are current and voting.

As Republicans introduced that they might be leaving Washington with out contemplating the agriculture invoice, Democrats warned {that a} shutdown was turning into inevitable as a result of the G.O.P. had caved to the calls for of ultraconservatives.

“We have one bill out of 12 completed because extremists are holding your conference hostage,” Representative Katherine M. Clark of Massachusetts, the No. 2 House Democrat, advised Republicans on the House ground. “And that’s not the full story. The extremists are holding the American people hostage.”

Accusing Republicans of participating in a “reckless march to a MAGA shutdown,” she famous that legislative work days will probably be few when the House reconvenes in September. “We will have 12 days when we return to do the job the American people sent us to do,” she mentioned.

Republicans mentioned it was Democrats who had been abandoning their duties by opposing the spending payments and that the G.O.P. would push them by means of on their very own if needed.

“We’ll continue standing up to the extremists on the left who want to bring our country to a socialist direction,” mentioned Representative Steve Scalise of Louisiana, the bulk chief, although he conceded, “We have more work to do.”

The boiling over of tempers on the House facet was in sharp distinction to the temper within the Senate, the place the Appropriations Committee cleared the final of its 12 payments on a bipartisan foundation in one of many smoothest appropriations seasons in current reminiscence.

“For the first time in five years, this committee finished passing all 12 individual appropriations bills with overwhelming bipartisan votes, under incredibly tough circumstances — and all before the end of July,” Senator Patty Murray, Democrat of Washington and chairwoman of the committee, and Senator Susan Collins of Maine, the highest Republican on the panel, mentioned in a joint assertion. “When we said we would return this committee to regular order, we meant it. This is a big deal.”

But the Senate is writing its annual spending payments on the stage agreed to by the president and Mr. McCarthy earlier this 12 months — a considerable improve over the House payments — and in addition working to carry off the type of poison-pill coverage provisions House Republicans have been including. Members of the Senate from each events additionally need to add more cash for the Pentagon.

At some level, the House and Senate variations of all 12 payments must be reconciled, and meshing them will probably be tough given the deep variations. Any improve within the spending ranges is more likely to value Mr. McCarthy important conservative votes within the House, doubtlessly forcing him to depend on Democrats once more, as he did to win approval of the debt restrict settlement. Such a compromise might result in a problem to his management from the appropriate.

Mr. McCarthy mentioned he met on Thursday with Senator Chuck Schumer, the New York Democrat and majority chief, to debate advance the spending payments and different must-pass laws in September to keep away from a disaster. He additionally downplayed the importance of Republicans being pressured to postpone consideration of the agriculture spending measure due to divisions amongst themselves.

“We are going to try to save as much money as possible,” he advised reporters after the House adjourned for six weeks. “If we’ve got to take a couple of extra days to go through it, it is not until Sept. 30.”

Under the phrases of the debt restrict settlement, if all appropriations payments aren’t handed by the top of the 12 months, an automated 1 % minimize can be utilized to discretionary federal spending.