Jim crow laws were a legalized system of

a) discrimination against african americans
or
b) segregation of educational facilities

A) Discrimination against African Americans

Explanation:

The laws of Jim Crow were state and local laws in the United States, promulgated by the white state legislatures, that at the time were dominated by the democrats after the period of Reconstruction between 1876 and 1965. These laws advocated the racial segregation in all public facilities by de jure mandate under the slogan "separate but equal" and applied to African-Americans and other non-white ethnic groups in the aforementioned states of the United States.

step-by-step explanation:

entering that problem on the tube you may come up with an answer