The British occupying New York
Loyalist are pouring in and Patriots are fleeing.
The Patriots were beaten, many captured, many killed.
Connection to the novel
The setting is key. If the British had lost the battle, many things might have changed with Isabel's point of view. Isabel lives in New York which brings conflicts like helping Curzon. Spying on Mister Lockton. If Isabel lived in Virginia she would be dealing with different conflicts.