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New Yorkers will find out who will be their next mayor this election day, in a race that will decide who runs and defends the nation's largest city at a moment when Donald Trump has threatened to send armed forces to the urban center.

In this context, New York has witnessed a race for mayor that has pitted two very different Democrats against each other. The contest has turned into an acrimonious showdown, laced with accusations of racism and anti-Muslim sentiment, but it is the political differences between the two leading candidates that could have significant consequences for how the party fares in next year's congressional races.

The Progressive Challenger

In the progressive corner is the democratic socialist, the 34-year-old progressive candidate whose meteoric rise and people-powered movement has attracted international attention. On the establishment side is the former governor, the ex- New York governor now running as an independent – and enjoying the support of wealthy contributors and corporations.

With days to go, it is Mamdani, the former longshot who defeated Cuomo in the Democratic primary who is firmly installed as the frontrunner. Mamdani, who has campaigned on a agenda of economic justice and pledged to halt rent increases for about 2 million New Yorkers, has led his rival by significant margins in every poll taken in the fall, and it is very much the younger man's race to lose.

A Bitter Contest

However, Cuomo, who stepped down as governor in recent years amid allegations of misconduct, has stated clearly he will battle to the end, and not necessarily in an fair fashion. He has criticized Mamdani's objectives as unrealistic, and in the final stretch laughed as a broadcaster made Islamophobic remarks about Mamdani, who is a Muslim. Two weeks ago, the independent was widely condemned as racist after posting an AI-generated ad that featured a slew of racist stereotypes and showed his opponent releasing a convicts.

This represents a rather grubby end to an race that could be key to the direction that the party, struggling in its reaction to Trump's authoritarian grabs, takes in the near future.

Broader Consequences

If Mamdani wins convincingly, the establishment party leaders who have declined to support his bid will be compelled to address a message that has resonated with voters' anger at inequality, 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 Mamdani's progressive proposals about economic justice, given the newcomer has created an excitement within the Democratic ranks arguably not seen since Bernie Sanders campaigned for the White House in 2016.

However, should Cuomo, who had been predicted to sail to victory in the June primary, complete a remarkable riches-to-rags-to-riches victory, it could reinforce national Democrats' existing approach of considered, lackluster opposition – a strategy that has infuriated grassroots members. A NYC defeat of Mamdani's progressive, positive message could persuade party leaders that the best plan is to stick to the center – even as surveys show the current iteration of the party is deeply unpopular across the country.

Voter Enthusiasm

Voters in the city seem to prefer the Mamdani vision. Surveys show that Mamdani supporters are much more excited about their choice than Cuomo backers, something that has been apparent throughout the campaign. The candidate's snappy videos on digital platforms, his optimistic vision for the city and his willingness to actually venture out and meet people in the city has attracted an army of over fifty thousand supporters, many of them youth or new participants.

Negative Tactics

Yet, Cuomo, 67, isn't giving up. And with the stakes against him, the former governor has turned to ugly messaging in the final days.

Following extensive throwing basically everything at his opponent to see what might resonate, the independent has narrowed his focus on attacking the candidate directly. He has called his rival, who was born in Uganda to South Asian heritage, an “extremist”, and appeared on conservative media for an interview with Maria Bartiromo, where Cuomo claimed the city “will not survive” Mamdani as mayor. It hit bottom recently, when the former governor laughed along and said “that’s another problem” after a broadcaster said the candidate would “cheer” another 9/11-style attack.

Political Landscape

The line of attack mirrors much of what the former president, who has deployed the military reserves to the capital and warned to take similar action to New York, has said about the progressive, and perhaps that shouldn’t come as a surprise. A group of billionaire New Yorkers, including some who donated to Trump in the last presidential race, have pumped millions into trying to get the independent elected, as other influential figures have pressured the Republican candidate to withdraw from the contest.

Candidate Backgrounds

For the Cuomo camp, and his billionaire supporters, are concerned, it should not have reached to this. When Mamdani, one of 150 state legislators, started his campaign for mayor in last year, few had heard of him, and in truth, few even paid attention.

The former governor, by contrast, eased his way into the contest in March 2025 and became the immediate frontrunner. He was the big beast who seemingly held all the advantages. The classic political insider, he had married a political dynasty member and served in Bill Clinton’s administration. He became New York governor in 2011, seventeen years after his father, Mario Cuomo, stepped down from the identical role.

Mamdani, who was elected to the New York state assembly in 2020, does not have the comparable background. But his commitment to providing free buses and free childcare – along with the rent control promise – present a more positive vision of the future than Cuomo’s pessimistic predictions about “mayhem” and unfettered crime, and his vow to hire more police officers.

Campaign Controversies

Still, Mamdani has faced difficulties in recent days, after footage emerged suggesting 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 DSA gathering in recent years. Mamdani, a longtime critic of Israel who has said the nation is engaging in atrocities in the Palestinian territory, suggested he was questioning cooperative programs between the NYPD and Israeli forces.

Powerful Moment

As the race closes, Mamdani appears to have won sympathy and support, however, for his response to his opponent's increasing rhetoric.

The progressive responded to the independent's terrorism comments in an heartfelt recording. In it, the candidate remembered how, when he first ran for state assembly, a Muslim uncle advised to him that he did not have to tell people about his Muslim faith. It was a lesson, he 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 followers of Islam could embrace their true selves, and that if we were to emerge from those shadows, then it is in those silence that we must set aside our faith.”

Addressing the behavior of his opponents, who has alleged Mamd