By 1850, which four states had more people than Tennessee?​

n 1850, the United States contained 31 states and 4 organized territories (Minnesota, New Mexico, Oregon, Utah).

Explanation:

I believe the answer is: a. Most Europeans are employed in the mining industry.

The most employees during that time work in either railroad and automobiles industry. Since a lot of them used product from the mining industry, people often mistake them. The industry started to shifted from railroad into textile and consumer goods in the mid 1900s.