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Residents of the Big Apple will find out the identity of their new city leader this Tuesday, in a race that will determine who runs and protects the country's largest city at a moment when Donald Trump has vowed to deploy armed forces to the city.

Against that backdrop, New York has experienced a race for mayor that has pitted two very different Democrats against one another. The election has become an acrimonious showdown, marked by accusations of racism and Islamophobia, but it is the political differences between the two main contenders that could have major implications for how the Democratic party fares in next year's congressional races.

The Progressive Challenger

On the left side 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 former Democratic New York governor now campaigning independently – and benefiting from the support of wealthy contributors and corporations.

With days to go, it is the progressive, the former longshot who beat Cuomo in the Democratic primary who is firmly installed as the frontrunner. The candidate, who has campaigned on a agenda of affordability and promised to freeze rent for about two million New Yorkers, has led his rival by double-digits in every poll conducted in October, and it is very much the younger man's election to lose.

A Bitter Contest

However, Cuomo, 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 criticized Mamdani's objectives as unachievable, and in the final stretch laughed as a radio host made anti-Muslim comments about Mamdani, who is Muslim. Two weeks ago, Cuomo was widely condemned as bigoted after sharing an AI-generated ad that included a series of racial caricatures and showed Mamdani releasing a group of criminals.

This represents a rather grubby conclusion to an election that could be key to the path that the party, struggling in its response to the former president's authoritarian grabs, 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 resonated with Americans' anger at inequality, soaring price rises and the political elite. It would be hard for the Senate leader and the House leader not to embrace at least a portion of the candidate's progressive proposals about economic justice, given the fresh face has generated an excitement within the Democratic ranks arguably not seen since Bernie Sanders campaigned for the White House in 2016.

However, if Cuomo, who had been expected to win easily in the June primary, complete a remarkable comeback victory, it could reinforce the party's existing approach of considered, lackluster opposition – a tactic that has angered grassroots members. A NYC rejection of the progressive's optimistic platform could persuade party leaders that the best plan is to remain in the political center – even as polls show the current iteration of the party is deeply unpopular nationwide.

Campaign Energy

Voters in New York seem to prefer the progressive agenda. Surveys show that his backers are far more enthusiastic about their candidate than his opponent's supporters, something that has been evident during the race. The candidate's snappy videos on social media, his hopeful outlook for New York and his readiness to actually get out and meet people in the metropolis has drawn an army of more than 50,000 volunteers, many of them youth or new participants.

Negative Tactics

Yet, the former governor, 67, isn't giving up. And with the stakes against him, the ex-leader has turned to negative campaigning in recent weeks.

After spending months launching various attacks at his opponent to see what might stick, Cuomo has narrowed his focus on targeting Mamdani personally. He has called Mamdani, who was born in Uganda to Indian parents, an “extremist”, and popped up on Fox Business for an discussion with a rightwing host, where Cuomo asserted New York “will not survive” his opponent as city leader. It hit bottom recently, when Cuomo chuckled and said “that’s another problem” after a radio host said the candidate would “cheer” another 9/11-style incident.

Campaign Dynamics

This strategy mirrors much of what the former president, who has sent the national guard to the capital and warned to take similar action to New York, has said about Mamdani, and perhaps that is expected. A group of billionaire New Yorkers, including some who contributed to the Republican in the last presidential race, have pumped millions into trying to get the independent into office, as other influential figures have urged the Republican candidate to withdraw from the race.

Political Histories

As far as the his team, and his billionaire supporters, are concerned, it should never have come to this point. When Mamdani, one of 150 New York state assembly members, launched his mayoral bid in October 2024, few had heard of him, and in truth, few even paid attention.

Cuomo, by comparison, entered smoothly into the contest in March 2025 and became the immediate frontrunner. He was the political heavyweight who apparently held every edge. The classic establishment figure, he had married a Kennedy and served in Bill Clinton’s administration. He assumed office as New York governor in 2011, seventeen years after his father, the former governor, left office from the identical role.

Mamdani, who was elected to the New York state assembly in recently, does not have the same political heritage. But his commitment to providing no-cost transit and free childcare – along with the rent control promise – present a more positive vision of the future than his opponent's dire warnings about “mayhem” and rising criminal activity, and his promise to increase police presence.

Recent Challenges

Still, the candidate has encountered difficulties in recent days, after footage surfaced appearing to show him implying the New York police department and the IDF were intertwined.

“We have to make clear that when the boot of the NYPD is on your neck, it’s been influenced by the Israeli military,” Mamdani said in the recording, filmed at a DSA gathering in recent years. Mamdani, a longtime critic of Israel who has said the country is committing genocide in Gaza, indicated he was criticizing cooperative programs between the city police and Israeli forces.

Powerful Moment

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

Mamdani responded to Cuomo’s 9/11 remarks in an heartfelt recording. In it, Mamdani recalled how, when he first ran for the legislature, a family member suggested to him that he did not have to tell people about his religion. It was a realization, he said, that many Muslim New Yorkers had been told “again and again”: “That security could only be found in the margins of our community. That it is in those shadows alone where followers of Islam 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 set aside our beliefs.”

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