Answer:
Westward Migration
Explanation:
Westward Migration is the movement of American settlers to the western part of the country following the purchase of Louisiana territory. The westward migration is widely believed to have led to the immediate settlement of the continental United States.
It is characterized by its wide contrast of civilization getting in contact with the untamed wilderness.
It is the event of the mid-1800s that mostly help to create a cultural identity of the wild west.
