Describe jim crow laws and it's impact on african americans

The broad category of Jim Crow laws includes the prohibition of interracial marriage and laws enforcing the "separate but equal" doctrine that prevented racial integration in public places, such as restaurants, and required racially segregated public schools. "Jim Crow" is an unofficial name given to the white supremacist laws of segregation and other forms of race-separation enforced in the United States, from the end of legal slavery in the late 1800s until the Civil Rights movement in the 1960s. The term "Jim Crow" is derived from a racist stereotype popularized in minstrel shows and not an actual, living person, and is not the official legal name given to these policies.

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i would say it is the roman empire europe after the norman conquest.