Question

which industry was most common in the western states in the 1800s?
oil
ranching
recreation
manufacturing

Explanation:

In the 1800s, the western U.S. had vast open grasslands suitable for raising cattle. Ranching became a dominant industry as settlers utilized the region's natural resources for livestock rearing, while oil, recreation, and manufacturing were not the most common in this era for the West.

Answer:

ranching