I would like to point out that the French were the decisive factor in the independence war. They supplied all the weapons, money , ammunition and troops to the colonials. Without France there would have been no USA.
The British had one of the most well trained armies in the world and were professional to the core with centuries of experience with warfare. To say the British were inept is historically incorrect.
Another factor was the new world was very far away from the home country and logistics was a problem increased greatly by French/Dutch and Spanish naval blockades which stopped supplies and troops reaching the new world. Britain was fighting all 4 countries simultaneously.
I love this mod but historically accurate descriptions are very important!