In what way did industrialization in the United States contribute to the rise of the second Ku Klux Klan in the early twentieth century? A. Factories located in urban centers attracted a growing number of immigrant laborers. B. Improved farming technology led to a decreased need for immigrant labor. C. Construction of tenement buildings attracted widespread opposition in rural areas. D. Growing urban centers had a disproportionately low number of churches.

A. Factories located in urban centers attracted a growing number of immigrant laborers.