They have spent much of the past year fighting for Democrats in this working-class corner of northeastern Pennsylvania, knocking on thousands of doors, giving their evenings to phone banks and devoting weekends to voter registration drives.

But the small group of progressive activists gathered recently at the Edwardsville Pierogi Festival could not contain its frustration with the pace of change in Washington under the party they helped elect.

“We need more,” said Alicia Duque, a 35-year-old mother of three and volunteer organizer for the progressive group Action Together. “It’s taking too long.”

With promises to lift working people with transformative policies on health care, climate change and economic inequality, President Joe Biden won more votes last year than any other presidential candidate in history. But those ambitions have collided with a narrowly divided Congress, where Republicans have largely unified against Biden’s agenda and a small group of moderate Democrats are increasingly bucking the White House.

If the broader agenda collapses, Democrats risk alienating voters like Duque, whose help the party will need in the uphill battle to maintain and expand the party’s control of Congress next year. That’s especially true in Pennsylvania, where Democrats are hoping to flip a Senate seat held by the GOP.

In the five months since Biden took office, Democrats have enacted significant legislation, most notably the $1.9 trillion pandemic relief package that sent $1,200 checks to millions of Americans. The measure also included billions of dollars more to strengthen local economies and vaccination efforts.

But now, the White House is bogged down in negotiations with Republicans over a scaled-back infrastructure package, which is unlikely to include sweeping investments in “human infrastructure” like child care, education and green energy that progressives demand.