Jim Crow laws were a legalized system of

discrimination against African Americans.
integration of facilities in the South.
segregation of educational facilities.
separation of the North and South.

Jim Crow laws were a legalized system of discrimination against African Americans, including the segregation of public facilities such as schools, parks, restaurants, and transport, in the southern states of the United States. While these laws were primarily enforced in the South, segregation and discriminatory practices were also prevalent in the North, albeit in less formalized legal structures.