The appalachian mountains had what effect on the people of the thirteen original colonies?

I believe the answer is: The mountains stopped expansion of the colonies

The terrain that exist in the mountains make it really hard for them to go over to create new colonies. Because of this, many settlers decided to stop their expansion on the mountain area and utilize the resources around to build various type of businesses (such as agricultural field, timber, farming, etc)

they all focused on themes about the inevitability of death.

answer; in small towns;