Conversation so far:
How did the Evacuation of New York begin?
Loyalists began an exodus from the Thirteen Colonies.
what happened when the Loyalists left the Thirteen Colonies?
Carleton refused to deliver over the human property to the Americans at the time of the British evacuation.
How did the Americans respond to Carleton's refusal?
He added that the only mode was to pay for the Negroes, in which case justice was done to all, the former slaves and the owners.

Question: What did he accomplish while in New York?
Self-contained rewrite: What did Guy Carleton, 1st Baron Dorchester accomplish while in New York?