Britain wanted to expand into French and Indian land, they did not like that so the war started
Britain won but they weren't aloud on the land they won
After the war the Natives lost their connections with the French and they were enemy's with the British so they were hostile, they wouldn't let the British on their land
After the War the French lost all their land
Also after the war the British were in dept so they taxed the colonists, the colonists didn't like this.
The British government wouldn't let the colonists on the land because of money problems as well