“The socialist left is on the rise, notably in neighborhoods the place Black and Latino residents are being gentrified out of existence,” mentioned Consultant Hakeem Jeffries, the chairman of the Home Democratic Caucus, who represents components of Brooklyn and Queens and may become the primary Black Home speaker. “To the extent the success of the socialist left is partially tied to gentrifying neighborhoods, it stays to be seen how that can influence a citywide race.”

How left-wing activists and organizations will select to wield their affect is unclear. Have been all of the teams affiliated with the progressive motion to align behind one candidate, they might have a large influence on the race.

Up to now, they don’t seem to be coalescing.

“There’s a giant query of whether or not people do,” mentioned Jonathan Westin, the manager director of New York Communities for Change. “I feel the candidate that is ready to cobble collectively all of these teams is the candidate that’s going to win.”

The New York Metropolis Democratic Socialists of America has endorsed six candidates for the Metropolis Council, a transfer that guarantees vital organizational help. Nevertheless it has but to make an endorsement within the mayoral race, and several other folks affiliated with the group don’t anticipate it to.

“If we had a mayoral candidate who got here from the D.S.A., I feel that will have been one factor,” mentioned Susan Kang, a D.S.A. member and a professor at John Jay Faculty of Felony Justice. “We’re making an attempt to be very strategic in how we use our labor.”

One other complicating issue is the recognition of Scott Stringer, the town comptroller and a number one mayoral candidate, amongst some outstanding youthful progressive lawmakers. In 2018, Mr. Stringer endorsed a D.S.A. stalwart, Julia Salazar, in her race for State Senate over the incumbent, Martin Dilan. Ms. Salazar received her race, and Mr. Stringer received her endorsement for mayor, together with a number of different high-profile endorsements from progressives.

Mr. Stringer has additionally received the backing of some key unions, together with most lately the Communications Staff of America, an early supporter of Mayor Invoice de Blasio.