"In its day, the Trail served primarily as a commercial highway. The military used the trail to haul freight to supply the southwestern forts. The Trail was also used by stagecoach lines, those seeking gold in California and Colorado, fur trappers, and emigrants. The Trail in effect brought together Spanish and American cultures and. Many interactions, both amicable and contentious, between settlers and soldiers and the Plains Indians also occurred along the Trail."
The French and Indian War altered the relationship between Britain and its American colonies because the war enabled Britain to be more "active" in colonial political and economic affairs by imposing regulations and levying taxes unfairly on the colonies, which caused the colonists to change their ideology from toleration to resentment toward Britain.