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New Yorkers will discover the identity of their new city leader this Tuesday, in a race that will determine who runs and defends the nation's largest city at a moment when the former president has threatened to deploy military troops to the city.

In this context, New York has witnessed a race for mayor that has matched two very different Democratic figures against one another. The election has turned into an acrimonious showdown, laced with alleged racial bias and anti-Muslim sentiment, but it is the ideological divide between the two leading candidates that could have major implications for how the party fares in next year's congressional races.

The Progressive Challenger

On the left side is the democratic socialist, the 34-year-old democratic socialist whose rapid ascent and grassroots campaign has attracted global notice. On the establishment side is Andrew Cuomo, the ex- Democratic New York governor now campaigning independently – and benefiting from the backing of ultra-rich donors and big business.

With days to go, it is Mamdani, the one-time underdog who beat Cuomo in the party primary who is firmly installed as the frontrunner. Mamdani, who has run on a platform of economic justice and promised to halt rent increases for about two million New Yorkers, has outpaced his rival by significant margins in every poll conducted in October, and it is very much the progressive's election to lose.

The Controversial Campaign

However, Cuomo, who stepped down as governor in 2021 amid allegations of misconduct, has made it clear he will fight to the end, and not necessarily in an above-the-belt manner. He has trashed his opponent's objectives as unrealistic, and in recent days chuckled along as a broadcaster made anti-Muslim comments about Mamdani, who is Muslim. Recently, Cuomo was strongly criticized as racist after posting an artificial intelligence video that featured a slew of racial caricatures and showed his opponent freeing a group of criminals.

This represents a rather grubby end to an race that could be key to the direction that the Democratic party, struggling in its response to Trump's power moves, takes in the coming years.

National Implications

Should the progressive secures a clear victory, the party establishment who have declined to support his bid will be forced to reckon with a platform that has appealed to Americans' frustration at economic disparity, soaring price rises and the political elite. It would be hard for the Senate leader and the House leader not to adopt at least a portion of the candidate's ambitious ideas about economic justice, given the fresh face has created an excitement within the party perhaps not witnessed since the Vermont senator ran for president eight years ago.

However, should Cuomo, who had been expected to sail to victory in the June primary, complete a remarkable comeback victory, it could cement the party's existing approach of considered, uninspiring resistance – a tactic that has infuriated grassroots members. A NYC rejection of the progressive's progressive, positive message could persuade Schumer and Jeffries that the best plan is to stick to the center – even as polls show the present version of the party is widely disliked across the country.

Campaign Energy

Residents of the city appear to favor the Mamdani vision. Polls show that Mamdani supporters are far more enthusiastic about their candidate than Cuomo backers, something that has been evident during the race. The candidate's snappy videos on social media, his optimistic vision for New York and his readiness to actually get out and meet people in the city has drawn an force of over fifty thousand supporters, many of them youth or new participants.

Negative Tactics

Yet, the former governor, 67, isn't giving up. And with the risks against him, the former governor has resorted to ugly messaging in recent weeks.

After spending months throwing basically everything at his opponent to see what might resonate, Cuomo has narrowed his focus on attacking Mamdani directly. He has labelled his rival, who was of Ugandan origin to Indian parents, an "radical", and appeared on conservative media for an interview with a rightwing host, where Cuomo asserted the city “will not survive” Mamdani as mayor. It hit bottom last week, when the former governor chuckled and said “that’s another problem” after a broadcaster said Mamdani would “cheer” another 9/11-style incident.

Political Landscape

The line of attack mirrors much of what Trump, who has sent the military reserves to the capital and warned to take similar action to NYC, has said about the progressive, and maybe that shouldn’t come as a surprise. A group of billionaire New Yorkers, including some who donated to Trump in the 2024 election, have pumped millions into trying to get Cuomo elected, as other influential figures have urged Curtis Sliwa to withdraw from the race.

Candidate Backgrounds

As far as the his team, and his billionaire supporters, are concerned, it should never have come to this point. When Mamdani, one of one hundred fifty New York state assembly members, started his campaign for mayor in October 2024, few had heard of him, and in reality, few even noticed.

The former governor, by comparison, eased his way into the contest in March 2025 and became the immediate frontrunner. He was the big beast who apparently held every edge. The quintessential establishment figure, he had married a Kennedy and worked in a Democratic presidency. He assumed office as the state's leader in over a decade ago, seventeen years after his father, Mario Cuomo, left office from the same position.

The progressive, who was elected to the state legislature in 2020, does not have the comparable background. But his dedication to providing free buses and affordable child services – along with the freeze-the-rent pledge – present a brighter outlook of the future than Cuomo’s pessimistic predictions about “mayhem” and rising criminal activity, and his vow to increase police presence.

Recent Challenges

Still, the candidate has faced difficulties in recent days, after footage surfaced appearing to show him suggesting the NYPD and the Israel Defense Forces were intertwined.

“We have to make clear that when the boot of the police is on your throat, it’s been laced by the Israeli military,” Mamdani said in the clip, recorded at a DSA gathering in 2023. The progressive, a longtime critic of the Israeli government who has said the nation is committing genocide in Gaza, suggested he was criticizing cooperative programs between the city police and Israeli forces.

Powerful Moment

With the election nearing, the candidate appears to have won empathy and backing, however, for his response to his opponent's escalating attacks.

Mamdani responded to the independent's 9/11 remarks in an heartfelt recording. In it, the candidate recalled how, when he first campaigned for state assembly, a family member suggested to him that he did not have to disclose about his religion. It was a realization, Mamdani said, that many local Muslims had been taught “again and again”: “That safety could only be found in the shadows of our city. That it is in those hidden spaces alone where Muslims could express their true selves, and that if we were to step out from those seclusion, then it is in those silence that we must leave our faith.”

Addressing the actions of Cuomo and Sliwa, who has alleged Mamd