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. Oil extraction became prominent later, recreation was not a major industry, and manufacturing was centered in eastern states. Ranching was the dominant economic activity in the region during this era.

Answer:

ranching