Democrats made a clean sweep in the three biggest contested elections in the United States on Tuesday night.

The winners include Zohran Mamdani , a Muslim and self-described democratic socialist who will become the next mayor of New York City, according to NBC News projections.

In New Jersey, Mikie Sherrill is projected to become the next governor.

And in Virginia , Abigail Spanberger will become the state's first female governor, and her fellow Democrat Jay Jones will defeat incumbent Republican Attorney General Jason Miyares, NBC News projected.

In California, voters approved Proposition 50, a constitutional amendment allowing the state to use a new map for U.S. House districts that favors Democrats.

In Pennsylvania, voters kept three incumbent Democrats on the state Supreme

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