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

Down into the earth went the plow
In the free hands and the slave hands,
In indentured hands and adventurous hands,

What theme does this excerpt support?

A. Every American farm supported a number of families.

B. People of all social standings contributed to America’s success.

C. Enslaved people and free citizens forged close friendships in America.

D. Some people worked harder than others on early American farms.