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These lawmakers could make or break Trump's first 100 days, if they avoid a shutdown by Kellan Howell

WATCH |Congress returns from their two-week spring recess next week, but they won't get a day to slack off and catch up. With just one week left before a possible government shutdown, these lawmakers will have to work fast and they could either make or break Trump's success. 

Mounting pressure on healthcare and a border wall 

President Trump wants Congress to make a deal on healthcare. The stalled bill is his lynchpin to wrapping up his first 100 days as a success, and to kicking off the rest of his legislative agenda. 

The plan in to use the healthcare bill to set the stage for tax reform, which will jumpstart infrastructure. Without the healthcare bill, everything else is on hold. 

At the same time, Congress only has a few days to pass a budget to keep the government running.

Trump isn't making that easy. He's demanding funding for his border wall.

"We want wall funding. We want [immigration] agents. Those are our priorities," White House Office of Management and Budget Director Mick Mulvaney told the Associated Press.

Homeland Security Secretary John Kelly told Fox News on Friday that the administration plans to begin construction of the wall by the end of the summer. 

Democrats plan to oppose any budget bill that includes funding for a wall or a deportation force. 

Democrats also want the budget to include cost-sharing subsidies to health insurance companies that help low-income families under Obamacare, something the White House is not keen on. 

But Mulvaney said the White House could come to a compromise on the subsidies if Democrats worth with them on funding for the wall. 

"The White House gambit to hold hostage health care for millions of Americans, in order to force American taxpayers to foot the bill for a wall that the President said would be paid for by Mexico is a complete non-starter," Senate Minority Leader Chuck Schumer (D-New York) said in a statement on Friday. 

It's going to take serious teamwork and dealmaking for Congress, and especially Republicans, to make it all work. Here are some of the key players: 

Reps. Mark Meadows and Tom MacArthur 

The two Republican congressmen who lead powerful House caucuses will have to worth together to get healthcare reform passed. 

Meadows (South Carolina) leads the ultra-conservative Freedom Caucus and MacArthur (New Jersey) is a co-chair on the moderate Tuesday Group. 

The GOP's American Health Care Act was pulled from the House floor last month after members of both groups withdrew their support. 

The two congressmen have already made some changes to the bill, which has given The White House renewed hope in a speedy vote, but lawmakers are skeptical that it will reach the floor by the end of the week. 

Reps. Rodney Frelinghuysen and Nita Lowey

Frelinghuysen (New Jersey) heads the powerful House Appropriations Committee. It's his committee's job to create a bill(s) to fund the government.  

He will have to work with Lowey (New York), the top-ranking Democrat on the committee and other appropriators to put together a passable bill. 

Arrests and pay cuts 

Other lawmakers who want to make their colleagues pay (literally) if there's any stalling on the budget. 

Colorado Sens. Michael Bennet (D) and Cory Gardner (R) have filed a bill that would authorize the Sargent at Arms to arrest and Senators who decide to skip out on budget negotiations.

And Rep. Kurt Schrader (D-Oregon) has a bill that would cut lawmakers salaries by a day's pay for every day the government is shut down.