Why were people segregated in the north?

Segregation was not mandated by law in the Northern states, but a de facto system grew for schools, in which nearly all black students attended schools that were nearly all-black. In the South, white schools had only white pupils and teachers, while black schools had only black teachers and black students.

But state-sponsored segregation also existed in the North, and thousands of people joined in civil rights movements outside the South, from New York City to Boston to Detroit.

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