Which of the following developments in labor systems in the United States before the Civil War is reflected by the data in the graph?

Responses

Indentured servants replaced wage laborers in the North.

Indentured servants replaced wage laborers in the North.

Women laborers performed less industrial work in the North.

Women laborers performed less industrial work in the North.

Large numbers of immigrants moved to urban areas in the South.

Large numbers of immigrants moved to urban areas in the South.

An internal trade in enslaved people spread throughout the South.

An internal trade in enslaved people spread throughout the South.