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Residents of the Big Apple will find out the identity of their new city leader this Tuesday, in a contest that will determine who runs and defends the nation's largest city at a moment when the former president has vowed to deploy armed forces to the city.

Against that backdrop, New York has witnessed a mayoral election that has matched two very different Democrats against one another. The contest has become an acrimonious face-off, marked by alleged racism and anti-Muslim sentiment, but it is the political differences between the two main contenders that could have major implications for how the 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 rapid ascent and grassroots campaign has attracted global notice. On the establishment side is Andrew Cuomo, the former New York governor now campaigning independently – and benefiting from the backing of ultra-rich donors and corporations.

With days to go, it is Mamdani, the one-time underdog who beat Cuomo in the Democratic primary who is firmly installed as the leading candidate. Mamdani, who has run on a agenda of economic justice and promised to halt rent increases for about two million city residents, has led his rival by double-digits across all surveys taken in October, and it is very much the younger man's race to throw away.

The Controversial Campaign

Yet, the former governor, who resigned as governor in recent years amid allegations of sexual harassment, has stated clearly he will battle to the end, and not necessarily in an fair manner. He has criticized Mamdani's objectives as unrealistic, and in recent days chuckled along as a radio host made Islamophobic remarks about the candidate, who is a Muslim. Two weeks ago, Cuomo was widely condemned as racist after posting an artificial intelligence video that featured a series of racial caricatures and showed his opponent releasing a convicts.

This represents a particularly ugly conclusion to an race that could be key to the path that the party, floundering in its response to the former president's power moves, adopts in the coming years.

National Implications

If Mamdani wins convincingly, the establishment party leaders who have declined to support his campaign will be compelled to address a message that has resonated with voters' anger at economic disparity, inflation and the establishment. It would be hard for the Senate leader and Hakeem Jeffries not to embrace at least some of the candidate's progressive proposals about economic justice, given the newcomer has generated an excitement within the Democratic ranks perhaps not seen since the Vermont senator campaigned for the White House eight years ago.

However, if Cuomo, who had been predicted to sail to victory in the Democratic primary, complete a surprising riches-to-rags-to-riches win, it could reinforce national Democrats' existing approach of cautious, lackluster resistance – a tactic that has angered the party base. A New York rejection of Mamdani's progressive, positive message could persuade party leaders that the wisest course is to stick to the center – even as surveys show the present version of the Democratic party is widely disliked across the country.

Campaign Energy

Residents of the city seem to prefer the Mamdani vision. Surveys show that his backers are much more excited about their candidate than Cuomo backers, something that has been evident during the race. Mamdani's snappy videos on social media, his hopeful outlook for New York and his willingness to actually get out and connect with voters in the city has attracted an force of more than 50,000 volunteers, 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 ex-leader has resorted to ugly messaging in recent weeks.

Following extensive throwing basically everything at Mamdani 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 “extremist”, and popped up on Fox Business for an discussion with Maria Bartiromo, where the candidate claimed New York “will not survive” his opponent as mayor. It reached a nadir recently, when Cuomo chuckled and said “that’s another problem” after a radio host said Mamdani would “cheer” another 9/11-style incident.

Political Landscape

The line of attack mirrors much of what Trump, who has deployed the national guard to the capital and threatened to take similar action to NYC, has said about Mamdani, and perhaps that is expected. A set of billionaire New Yorkers, including some who donated to the Republican in the 2024 election, have invested heavily into trying to elect the independent into office, as other powerful voices have pressured the Republican candidate to withdraw from the contest.

Candidate Backgrounds

As far as the his team, and his wealthy backers, are concerned, it should never have come to this point. When the assemblyman, one of 150 state legislators, started his mayoral bid in last year, not many had known him, and in truth, few even paid attention.

The former governor, by comparison, entered smoothly into the race in March 2025 and became the immediate frontrunner. He was the big beast who seemingly held all the advantages. The quintessential establishment figure, he had married a Kennedy and worked in a Democratic presidency. He became the state's leader in over a decade ago, 17 years after his father, the former governor, left office from the same position.

The progressive, 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 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

Still, the candidate has faced some challenges in recent days, after footage surfaced suggesting him suggesting 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 neck, it’s been influenced by the Israeli military,” Mamdani said in the recording, recorded at a Democratic Socialists of America gathering in 2023. The progressive, a longtime critic of Israel who has said the country is committing genocide in the Palestinian territory, indicated he was questioning cooperative programs between the city police and IDF.

Powerful Moment

With the election nearing, Mamdani appears to have won sympathy and support, however, for his response to his opponent's increasing rhetoric.

Mamdani addressed Cuomo’s 9/11 remarks in an emotional video. In it, Mamdani remembered how, when he first campaigned for the legislature, a family member suggested to him that he did not have to tell people about his Muslim faith. It was a lesson, Mamdani said, that many Muslim New Yorkers had been taught “again and again”: “That safety could only be found in the margins of our city. 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 seclusion, then it is in those shadows that we must set aside our beliefs.”

Addressing the behavior of Cuomo and Sliwa, who has claimed Mamd