10 points! will give brainliest! please help!

Read this excerpt from “Freedom's Plow” by Langston Hughes.

Labor! Out of labor came the rowboats

And the sailboats and the steamboats,

Came the wagons, and the coaches,

Covered wagons, stage coaches,

Out of labor came the factories,

Came the foundries, came the railroads.

What is happening in the excerpt?

A. Settlers are working to establish American industry.
B. People are seeking adventure through travel.
C. Factory owners are earning a fortune for their companies.
D.America is progressing faster than other competing nations.

please answer with either A,B,C or D. Have a great day!