"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."
B, the enlightenment was all about explaining with reason, and religion didn't play a role in the enlightenment. Lots of scientists questioned the church.