Why was federalists concerned about new york?

Federalists were concerned about New York because it was a major economic and political hub, crucial for the success of the new nation. The state had strong anti-federalist sentiments, which posed a risk to the ratification of the Constitution. A failure to secure New York's support could undermine federal authority and hinder the establishment of a stable government. Additionally, New York's strategic location made it vital for trade and communication between the northern and southern states.