Republican leaders are mulling what to do for the rest of the year after passing a $1.3 trillion omnibus spending package.

Legislative activity will slow down dramatically after the Easter recess as vulnerable incumbents seek to spend more time campaigning ahead of the fall midterm elections.

GOP leaders haven’t said much about what’s next.

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Infrastructure will now take center stage, but there are deep divisions within the party over the scope of the legislation, how much it should cost and how to pay for it.

Senate Energy Committee Chairwoman Lisa Murkowski Lisa Ann MurkowskiGraham: GOP will confirm Trump's Supreme Court nominee before the election Gardner signals support for taking up Supreme Court nominee this year Tumultuous court battle upends fight for Senate MORE (R-Alaska) wants it to include energy infrastructure development.

Commerce Committee Chairman John Thune John Randolph ThuneGraham: GOP will confirm Trump's Supreme Court nominee before the election Tumultuous court battle upends fight for Senate What Senate Republicans have said about election-year Supreme Court vacancies MORE (R-S.D.) wants it to include broadband development in rural areas.

Sen. James Inhofe James (Jim) Mountain InhofeChamber of Commerce endorses McSally for reelection Overnight Defense: Top admiral says 'no condition' where US should conduct nuclear test 'at this time' | Intelligence chief says Congress will get some in-person election security briefings Top admiral: 'No condition' where US should conduct nuclear test 'at this time' MORE (R-Okla.) wants the package to focus on traditional infrastructure projects such as roads and bridges.

And while Republicans agree that the package should be paid for with a mix of public and private financing, there’s no agreement on how much taxpayers should kick in.

Conservatives led by Rep. Mark Meadows Mark Randall MeadowsSouthwest Airlines, unions call for six-month extension of government aid Airline CEOs plead with Washington as layoffs loom Trump reacts to Ginsburg's death: 'An amazing woman who led an amazing life' MORE (R-N.C.), the chairman of the House Freedom Caucus, said at the joint Senate–House GOP retreat in West Virginia that the federal government should contribute no more than $200 million.

Other GOP lawmakers argue that Congress needs to spend more money to achieve something close to the $1 trillion package that President Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE promised during the 2016 campaign.

If the infrastructure package stalls, GOP leaders are looking at smaller, less-controversial bills.

Reauthorization of the Federal Aviation Administration and another bill responding to the opioid epidemic, called CARA 2.0 — sponsored by Sen. Rob Portman Robert (Rob) Jones PortmanMcConnell locks down key GOP votes in Supreme Court fight Romney undecided on authorizing subpoenas for GOP Obama-era probes Congress needs to prioritize government digital service delivery MORE (R-Ohio) — are options. Congress passed the first version of the opioids measure, the Comprehensive Addiction and Recovery Act, in 2016.

Portman also has a bill sponsored with Sen. Tim Kaine Timothy (Tim) Michael KaineTrump meets with potential Supreme Court pick Amy Coney Barrett at White House Names to watch as Trump picks Ginsburg replacement on Supreme Court Barrett seen as a front-runner for Trump Supreme Court pick MORE (D-Va.) to expand Pell Grant eligibility to help workers enter short-term training programs for technically demanding jobs.

It has White House support, according to GOP aides.

Senate committees are due to report legislation addressing water and broadband infrastructure that could become the building blocks for a bigger package later this year.

“There’s going to be a WRDA bill out of the Environment and Public Works Committee. Commerce, I’m sure, will be doing something on broadband,” Senate Majority Whip John Cornyn John CornynTumultuous court battle upends fight for Senate Texas Democrats roll out first wave of planned digital ads as Election Day nears Calls grow for Biden to expand election map in final sprint MORE (R-Texas) told The Hill, referring to the Water Resources Development Act.

He noted that the omnibus package included hundreds of millions of dollars for unspecified infrastructure projects.

“You can begin to see how that might come together as a package,” he added.

Two issues that sparked intense debate in Congress in February and March, immigration and gun violence, are not expected to come to the floor anytime soon.

The omnibus included a measure known as the Fix NICS Act designed to improve reporting to the National Instant Criminal Background Check System, dimming the chances of a vote on universal background checks, which Democrats are demanding.

“Republicans lobbied hard to get Fix NICS in the budget so that they didn’t have to have an open debate on the Senate floor,” said Sen. Chris Murphy Christopher (Chris) Scott MurphyDemocratic senator calls for 'more flexible' medical supply chain to counter pandemics The Hill's 12:30 Report - Presented by Facebook - Don't expect a government check anytime soon GOP chairman to release interim report on Biden probe 'in about a week' MORE (D-Conn.), an outspoken voice on gun violence.

Legislation to curb the rising costs of insurance premiums, which are expected to rise faster because of the repeal of ObamaCare’s individual mandate, is also in limbo because of a fight over abortion language.

“If it’s not in the omnibus bill, there’s no next step,” said Sen. Lamar Alexander Andrew (Lamar) Lamar AlexanderGraham: GOP will confirm Trump's Supreme Court nominee before the election The Hill's Morning Report - Sponsored by Facebook - Washington on edge amid SCOTUS vacancy This week: Supreme Court fight over Ginsburg's seat upends Congress's agenda MORE (R-Tenn.), who is chairman of the Senate Health Committee, shortly before Congress passed the spending bill without the provisions to stabilize insurance markets.

The most pressing priority after the break will be to confirm Mike Pompeo Michael (Mike) Richard PompeoOvernight Defense: House Democrats unveil stopgap spending measure to GOP opposition | Bill includes .6B for new subs | Trump issues Iran sanctions after world shrugs at US action at UN Navalny calls on Russia to return clothes he was wearing when he fell ill US issues Iran sanctions to enforce UN action ignored by international community MORE and Gina Haspel, Trump’s picks to head the State Department and CIA, respectively.

Pompeo is likely to have a relatively smooth ride to confirmation, as he received 66 votes to serve as CIA director last year.

Haspel’s prospects are cloudier as senators have questions about her record on using harsh interrogation tactics.

Sen. John McCain John Sidney McCainBiden's six best bets in 2016 Trump states Replacing Justice Ginsburg could depend on Arizona's next senator The Hill's Morning Report - Sponsored by Facebook - Washington on edge amid SCOTUS vacancy MORE (R-Ariz.) last week asked Haspel, now the deputy director of the CIA, to explain her role in the agency’s enhanced interrogation program.

Sen. Rand Paul Randal (Rand) Howard PaulSecond GOP senator to quarantine after exposure to coronavirus GOP senator to quarantine after coronavirus exposure The Hill's Morning Report - Sponsored by National Industries for the Blind - Trump seeks to flip 'Rage' narrative; Dems block COVID-19 bill MORE (R-Ky.) has accused her of helping to develop techniques that the federal government now classifies as torture and of destroying video evidence.

Beyond their nominations, there are hundreds of jobs within the administration that still need Senate confirmation.

The Senate has a backlog of 131 nominees, according to the Partnership for Public Service, which tracks the process.

McConnell set up six nominations before the Senate left for the recess. The debate, and running through the procedural clock, could easily eat up weeks of April floor time.

The Senate could get further bogged down in nomination fights if Trump fires more of his Cabinet, as he’s reportedly been contemplating for weeks.

As the midterm elections near, GOP leaders will look for bills that would help their candidates go on the offensive in September and October.

They are flirting with moving another tax-reform bill and daring vulnerable centrist Democrats to oppose it.

“Can you imagine Democrats voting that down? I mean, how do you explain that one?” Cornyn said.

On another front, the Senate Foreign Relations Committee is gearing up to revive the chamber’s war authorization debate.

Chairman Bob Corker Robert (Bob) Phillips CorkerHas Congress captured Russia policy? Tennessee primary battle turns nasty for Republicans Cheney clashes with Trump MORE (R-Tenn.) has scheduled a markup of an authorization for the use of military force for April 19.

But Corker may have difficulty getting floor time for the measure, which divides Republicans. Many in the party don’t want to place limits on Trump’s war powers.