A day before New York City’s mayoral primary election, all eyes are on Zohran Mamdani, the Democratic Socialist candidate looking to topple former New York Gov. Andrew Cuomo to be on the Democratic ticket.

Polls have closed in New York City in Tuesday’s contentious Democratic mayoral primary, which became a two-man contest between a former governor attempting a political comeback and a democratic socialist looking to boost far-left policies.

Here are some of the factors that drove Zohran Mamdani to the cusp of a seismic upset, and how they will affect the general election in November.