A Social-Conflict Analysis Suggests That Schooling in the United States

A social-conflict analysis suggests that schooling in the United States developed in the late nineteenth century because that was the time that

A) factory owners needed an obedient and disciplined workforce.
B) immigrants had to learn English in order to work in factories.
C) the country had to teach immigrants that its way of life was right and good.
D) All of these are correct.