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Residents of the Big Apple will find out who will be their next mayor this Tuesday, in a contest that will decide who runs and defends the country's largest city at a moment when Donald Trump has vowed to send armed forces to the urban center.

Against that backdrop, New York has witnessed a race for mayor that has matched two distinctly opposing Democrats against each other. The election has become an acrimonious face-off, 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 Democratic party fares 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 people-powered movement has attracted global notice. Representing the old guard is Andrew Cuomo, the former New York governor now running as an independent – and enjoying the backing of ultra-rich donors and corporations.

With days to go, it is Mamdani, the former longshot who defeated his opponent in the party primary who is solidly positioned as the leading candidate. The candidate, who has run on a platform of affordability and promised to freeze rent for about two million city residents, has led his rival by significant margins in every poll taken in October, and it is very much the younger man's election to throw away.

A Bitter Contest

However, Cuomo, who stepped down as the state's leader in recent years amid accusations of misconduct, has stated clearly he will battle to the finish, and not necessarily in an above-the-belt fashion. He has criticized Mamdani's objectives as unrealistic, and in the final stretch chuckled along as a radio host made Islamophobic remarks about Mamdani, who is Muslim. Two weeks ago, the independent was strongly criticized as racist after sharing an AI-generated ad that included a series of racist stereotypes and showed Mamdani releasing a convicts.

It's been a particularly ugly end to an race that could be critical to the path that the party, struggling in its response to Trump's power moves, adopts in the coming years.

National Implications

Should the progressive wins convincingly, the establishment party leaders who have declined to support his campaign will be compelled to address a message that has resonated with Americans' frustration at economic disparity, soaring price rises and the establishment. It would be difficult for the Senate leader and Hakeem Jeffries not to embrace at least some of Mamdani's ambitious ideas about economic justice, given the newcomer has created an enthusiasm within the Democratic ranks arguably not seen since the Vermont senator ran for president eight years ago.

Conversely, should the former governor, who had been expected to sail to victory in the June primary, complete a remarkable riches-to-rags-to-riches win, it could cement national Democrats' existing approach of cautious, lackluster opposition – a strategy that has angered grassroots members. A NYC defeat of the progressive's optimistic platform could convince party leaders that the best plan is to remain in the political center – even as surveys show the present version of the Democratic party is widely disliked nationwide.

Campaign Energy

Voters in New York seem to prefer the progressive agenda. Surveys show that Mamdani supporters are much more excited about their choice than his opponent's supporters, something that has been apparent during the race. Mamdani's engaging content on social media, his optimistic vision for the city and his willingness to actually get out and connect with voters in the metropolis has attracted an force of over fifty thousand supporters, many of them young or first-time voters.

Negative Tactics

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

After spending months throwing basically everything at his opponent to see what might stick, Cuomo has concentrated on targeting the candidate personally. He has called his rival, who was of Ugandan origin to South Asian heritage, an "radical", and appeared on Fox Business for an discussion with a rightwing host, where the candidate claimed New York “will not survive” Mamdani as mayor. It hit bottom recently, when Cuomo chuckled and said “that’s another problem” after a radio host said Mamdani would “cheer” another terrorist attack.

Political Landscape

The line of attack mirrors much of what Trump, who has deployed the national guard to Washington DC and threatened to do the same to New York, has said about the progressive, and maybe that shouldn’t come as a surprise. A group of billionaire New Yorkers, including some who contributed to Trump in the 2024 election, have invested heavily into trying to get the independent elected, as other influential figures have urged Curtis Sliwa to withdraw from the contest.

Political Histories

As far as the Cuomo camp, and his wealthy backers, are concerned, it should not have reached to this. When the assemblyman, one of one hundred fifty state legislators, launched his campaign for mayor in October 2024, few had heard of him, and in reality, few even paid attention.

The former governor, by contrast, entered smoothly into the contest in March 2025 and became the instant favorite. He was the political heavyweight who seemingly held all the advantages. The quintessential political insider, he had wed a political dynasty member and served in a Democratic presidency. He assumed office as the state's leader in 2011, seventeen years after his father, the former governor, stepped down from the identical role.

Mamdani, who was voted in to the state legislature in 2020, does not have the same political heritage. But his commitment to providing no-cost transit and free childcare – along with the freeze-the-rent pledge – present a more positive vision of the future than his opponent's pessimistic predictions about “mayhem” and unfettered crime, and his promise to increase police presence.

Campaign Controversies

Still, Mamdani has faced difficulties in recent days, after footage emerged 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 IDF,” the candidate said in the clip, filmed at a Democratic Socialists of America gathering in 2023. Mamdani, a vocal opponent of Israel who has said the nation is committing genocide in Gaza, suggested he was criticizing cooperative programs between the NYPD and Israeli forces.

Powerful Moment

As the race closes, the candidate seems to have gained sympathy and support, however, for his response to Cuomo’s escalating attacks.

Mamdani responded to Cuomo’s 9/11 remarks in an emotional video. In it, Mamdani remembered how, when he first campaigned for the legislature, a family member advised to him that he did not have to tell people about his religion. It was a realization, he said, that many local Muslims had been taught “again and again”: “That security could only be found in the margins of our community. That it is in those shadows alone where Muslims could express their full identities, and that if we were to emerge from those shadows, then it is in those silence that we must set aside our faith.”

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