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New Yorkers will find out who will be their next mayor this election day, in a contest that will decide who runs and defends the nation's largest city at a moment when Donald Trump has threatened to deploy military troops to the city.

In this context, New York has witnessed a mayoral election that has matched two distinctly opposing Democratic figures against one another. The contest has become an increasingly bitter face-off, laced with accusations of racial bias and Islamophobia, but it is the ideological divide between the two leading candidates that could have major implications for how the party performs in next year's congressional races.

The Progressive Challenger

On the left side is the democratic socialist, the young progressive candidate whose rapid ascent and grassroots campaign has brought global notice. Representing the old guard is Andrew Cuomo, the ex- New York governor now running as an independent – and benefiting from the support of wealthy contributors and big business.

As the election approaches, it is the progressive, the former longshot who defeated his opponent in the Democratic primary who is firmly installed as the frontrunner. The candidate, who has campaigned on a agenda of affordability and promised to halt rent increases for about two million city residents, has outpaced Cuomo by double-digits across all surveys conducted in the fall, and it is very much the younger man's election to lose.

A Bitter Contest

Yet, Cuomo, who stepped down as the state's leader in recent years amid allegations of misconduct, has stated clearly he will fight to the end, and not necessarily in an above-the-belt manner. He has trashed his opponent's goals as unachievable, and in recent days laughed as a broadcaster made Islamophobic remarks about the candidate, who is Muslim. Two weeks ago, Cuomo was widely condemned as bigoted after posting an artificial intelligence video that featured a series of racist stereotypes and showed Mamdani releasing a convicts.

This represents a particularly ugly conclusion to an election that could be key to the path that the Democratic party, struggling in its reaction to the former president's power moves, takes in the coming years.

National Implications

If the progressive wins convincingly, the party establishment who have refused to endorse his campaign will be compelled to address a message that has resonated with Americans' anger at economic disparity, inflation and the establishment. It would be hard for Chuck Schumer and the House leader not to embrace at least a portion of the candidate's progressive proposals about affordability, given the newcomer has created an excitement within the Democratic ranks perhaps not witnessed since Bernie Sanders campaigned for the White House eight years ago.

Conversely, if Cuomo, who had been expected to win easily in the June primary, achieve a surprising comeback win, it could reinforce national Democrats' existing approach of cautious, lackluster resistance – a tactic that has infuriated the party base. A NYC rejection of Mamdani's progressive, positive message could persuade Schumer and Jeffries that the wisest course is to stick to the political center – even as surveys show the current iteration of the Democratic party is widely disliked across the country.

Voter Enthusiasm

Residents of New York appear to favor the progressive agenda. Surveys show that his backers are much more excited about their choice than Cuomo backers, something that has been evident during the race. Mamdani's snappy videos on social media, his optimistic vision for New York and his willingness to actually get out and meet people in the city has drawn an army of more than 50,000 supporters, many of them young or new participants.

Personal Attacks

However, Cuomo, in his late sixties, isn't giving up. And with the risks stacked against him, the former governor has resorted to negative campaigning in recent weeks.

After spending months throwing basically everything at his opponent to see what might stick, Cuomo has concentrated on attacking Mamdani directly. He has called Mamdani, who was of Ugandan origin to South Asian heritage, an "radical", and appeared on Fox Business for an interview with Maria Bartiromo, where Cuomo asserted New York “will not survive” his opponent as mayor. It hit bottom last week, when the former governor laughed along and said “that’s another problem” after a radio host said the candidate would “cheer” another terrorist incident.

Campaign Dynamics

This strategy echoes much of what Trump, who has sent the military reserves to Washington DC and threatened to do the same to New York, has said about the progressive, and perhaps that shouldn’t come as a surprise. A group of wealthy residents, including some who donated to Trump in the last presidential race, have pumped millions into trying to get Cuomo into office, as other influential figures have urged the Republican candidate to withdraw from the race.

Candidate Backgrounds

For the Cuomo camp, and his billionaire supporters, are concerned, it should never have come to this point. When the assemblyman, one of 150 state legislators, launched his campaign for mayor in last year, few had known him, and in truth, few even paid attention.

The former governor, by contrast, entered smoothly into the race in March 2025 and became the immediate frontrunner. He was the political heavyweight who apparently held all the advantages. The classic political insider, he had wed a political dynasty member and worked in Bill Clinton’s administration. He became the state's leader in 2011, 17 years after his parent, the former governor, stepped down from the identical role.

The progressive, who was voted in to the New York state assembly in recently, does not have the comparable background. But his commitment to providing no-cost transit and free childcare – along with the freeze-the-rent pledge – offer a more positive vision of the city's direction than his opponent's pessimistic predictions about “mayhem” and rising criminal activity, and his vow to hire more police officers.

Recent Challenges

Nevertheless, Mamdani has faced some challenges in the final phase, after video surfaced appearing to show him implying the New York police department and the Israel Defense Forces were connected.

“We have to make clear that when the boot of the NYPD is on your throat, it’s been laced by the Israeli military,” Mamdani said in the recording, filmed at a DSA gathering in 2023. The progressive, a longtime critic of Israel who has said the nation is committing genocide in the Palestinian territory, indicated he was questioning joint training exercises between the NYPD and Israeli forces.

Powerful Moment

With the election nearing, Mamdani seems to have gained empathy and backing, however, for his response to his opponent's escalating attacks.

Mamdani addressed Cuomo’s 9/11 remarks in an emotional video. In it, the candidate remembered how, when he first ran for the legislature, a Muslim uncle suggested to him that he did not have to tell people about his religion. It was a realization, Mamdani said, that many Muslim New Yorkers had been taught “again and again”: “That security could only be found in the shadows of our community. That it is in those hidden spaces alone where Muslims could express their full identities, and that if we were to step out from those seclusion, then it is in those silence that we must leave our beliefs.”

Speaking to the actions of his opponents, who has alleged Mamd