Conversation so far:
When did Guy Carleton, 1st Baron Dorchester become Governor of Quebec?
After James Murray resigned his position, Carleton was appointed Captain General and Governor-in-Chief on 12 April 1768.
Was Guy Carleton, 1st Baron Dorchester Governor of Quebec before his appointment in 1768?
On 7 April 1766, Carleton was named acting Lieutenant Governor of Quebec.
How long was Guy Carleton, 1st Baron Dorchester Governor of Quebec?
He twice served as Governor of the Province of Quebec, from 1768 to 1778
What did Guy Carleton, 1st Baron Dorchester accomplish as Governor of Quebec?
He commanded British troops in the American War of Independence, leading the defense of Quebec during the 1775 rebel invasion and the 1776 counteroffensive.

Question: who did he work with?
Self-contained rewrite: Who did Guy Carleton, 1st Baron Dorchester work with in the defense of Quebec?