Can someone please help me? what was the purpose of the Jim Crow laws passed by southern states

Jim Crow laws were a collection of state and local statutes that legalized racial segregation. Named after a Black minstrel show character, the laws—which existed for about 100 years, from the post-Civil War era until 1968—were meant to marginalize African Americans by denying them the right to vote, hold jobs, get an education or other opportunities. Those who attempted to defy Jim Crow laws often faced arrest, fines, jail sentences, violence and death.

i think it’s a i hope that right : )

roman empire and mayas