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New Yorkers will find out the identity of their new city leader this election day, in a contest that will decide who governs and defends the nation's largest city at a time when Donald Trump has threatened to send armed forces to the city.

In this context, New York has experienced a race for mayor that has matched two very different Democrats against each other. The contest has turned into an increasingly bitter showdown, marked by accusations of racial bias and anti-Muslim sentiment, but it is the political differences between the two main candidates that could have significant consequences for how the party performs in next year's congressional races.

The Progressive Challenger

In the progressive corner is the democratic socialist, the young democratic socialist whose meteoric rise and grassroots campaign has attracted global notice. Representing the old guard is the former governor, the former Democratic New York governor now campaigning independently – and benefiting from the backing of wealthy contributors and corporations.

With days to go, it is the progressive, the one-time underdog who defeated Cuomo in the Democratic primary who is solidly positioned as the leading candidate. Mamdani, who has campaigned on a platform of affordability and pledged to freeze rent for about two million New Yorkers, has outpaced his rival by significant margins across all surveys conducted in October, and it is very much the younger man's election to lose.

A Bitter Contest

However, the former governor, who resigned as the state's leader in recent years amid accusations 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 unachievable, and in the final stretch chuckled along as a radio host made anti-Muslim comments about the candidate, who is Muslim. Two weeks ago, the independent was strongly criticized as bigoted after sharing an artificial intelligence video that featured a series of racist stereotypes and showed Mamdani freeing a convicts.

It's been a rather grubby end to an election that could be key to the path that the Democratic party, floundering in its reaction to Trump's power moves, takes in the near future.

National Implications

Should Mamdani wins convincingly, the party establishment who have declined to support his bid will be compelled to address a message that has resonated with Americans' anger at inequality, soaring price rises and the establishment. It would be hard for Chuck Schumer and the House leader not to embrace at least some of the candidate's progressive proposals about economic justice, given the fresh face has generated an enthusiasm within the Democratic ranks arguably not witnessed since Bernie Sanders ran for president in 2016.

However, if the former governor, who had been expected to sail to victory in the Democratic primary, achieve a surprising riches-to-rags-to-riches win, it could reinforce the party's current model of cautious, lackluster resistance – a strategy that has angered the party base. A New York rejection of the progressive's progressive, positive message could persuade party leaders that the best plan is to stick to the political center – even as surveys show the current iteration of the party is widely disliked nationwide.

Voter Enthusiasm

Residents of the city appear to favor the progressive agenda. Polls show that his backers are far more enthusiastic about their choice than Cuomo backers, something that has been evident throughout the campaign. Mamdani's engaging content on social media, his hopeful outlook for the city and his readiness to actually venture out and connect with voters in the city has drawn an army of more than 50,000 supporters, many of them youth or first-time voters.

Negative Tactics

However, Cuomo, 67, isn't giving up. And with the risks against him, the ex-leader has resorted to negative campaigning in the final days.

After spending months launching various attacks at his opponent to see what might resonate, the independent has narrowed his focus on attacking the candidate personally. He has labelled Mamdani, who was born in Uganda to South Asian heritage, an "radical", and appeared on Fox Business for an discussion with Maria Bartiromo, where Cuomo claimed New York “will not survive” Mamdani as mayor. It reached a nadir last week, when Cuomo chuckled and said “that’s another problem” after a radio host said Mamdani would “cheer” another terrorist attack.

Campaign Dynamics

This strategy mirrors much of what the former president, who has deployed the national guard to the capital and warned to take similar action to NYC, has said about Mamdani, and maybe that shouldn’t come as a surprise. A group of billionaire New Yorkers, including some who contributed to the Republican in the 2024 election, have pumped millions into trying to get Cuomo elected, as other influential figures have urged the Republican candidate to drop out from the contest.

Political Histories

As far as the Cuomo camp, and his wealthy backers, are worried, it should not have reached to this point. When the assemblyman, one of one hundred fifty New York state assembly members, started his mayoral bid in last year, not many had known him, and in truth, few even noticed.

Cuomo, by comparison, entered smoothly into the race in March 2025 and became the immediate frontrunner. He was the political heavyweight who seemingly held every edge. The classic establishment figure, he had wed a political dynasty member and served in Bill Clinton’s administration. He became New York governor in 2011, 17 years after his parent, Mario Cuomo, left office from the identical role.

The progressive, who was voted in to the state legislature in 2020, does not have the same political heritage. But his dedication to providing free buses and affordable child services – along with the rent control promise – offer a more positive vision of the city's direction than Cuomo’s pessimistic predictions about “mayhem” and rising criminal activity, and his promise to hire more police officers.

Recent Challenges

Nevertheless, Mamdani has faced some challenges in recent days, after video surfaced appearing to show him implying 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 influenced by the Israeli military,” Mamdani said in the clip, filmed at a DSA gathering in 2023. The progressive, a longtime critic of Israel who has said the nation is committing genocide in Gaza, suggested he was questioning cooperative programs between the city police and Israeli forces.

Emotional Response

With the election nearing, Mamdani appears to have won empathy and backing, however, for his reaction to his opponent's increasing rhetoric.

Mamdani addressed the independent's 9/11 remarks in an emotional video. In it, Mamdani recalled how, when he first ran for the legislature, a family member advised to him that he did not have to tell people about his Muslim faith. It was a realization, Mamdani said, that many Muslim New Yorkers had been taught “again and again”: “That safety could only be found in the shadows of our community. That it is in those hidden spaces alone where Muslims could embrace their full identities, and that if we were to emerge from those shadows, then it is in those silence that we must leave our faith.”

Speaking to the behavior of Cuomo and Sliwa, who has claimed Mamd