What were the southern major industries during 1840's and 1850's

There was great wealth in the South, but it was primarily tied up in the slave economy. In 1860, the economic value of slaves in the United States exceeded the invested value of all of the nation's railroads, factories, and banks combined. On the eve of the Civil War, cotton prices were at an all-time high.

the answer wold be b) travel among nations should be regulated by an international organization

wisdom

explanation:

the fact that that the teachings on the cosmic order comes from, or through, the heart center