The best answers are:
-<span>making it almost impossible for them to vote
-segregating blacks from whites in most states
Jim Crow laws sought to scale back the rights and equality that African Americans were receiving in the Reconstruction Era following the Civil War. To this end, Jim Crow states in the South made it virtually impossible for blacks to vote, and often tampered with black votes.
They also made segregation a formal written law in the Southern states, outlawing the shared use of almost all facilities, public or private, by black and white people.
Jim Crow could not, however, repeal the 14th Amendment and did the opposite of desegregating public facilities. </span>
The 1920s was a decade of lots social changes. The most obvious signals of change were the rise of a consumer-oriented economy and of mass entertainment, which helped to bring about a "revolution in morals and manners." Sexual mores, gender roles, hair styles, and dress all changed profoundly during the 1920s.