The document summarizes the failure of Reconstruction and the rise of Jim Crow laws in the post-Civil War South. It explains that Reconstruction did not achieve economic or equal rights gains for freed African Americans. After Reconstruction ended, Southern states passed "Black Codes" and later "Jim Crow" laws that legalized racial segregation and discrimination. The Supreme Court upheld these laws in Plessy v. Ferguson, establishing the "separate but equal" doctrine. African Americans faced racism in the North as well and began migrating in large numbers during the Great Migration. There were also disagreements over the best strategies for achieving racial equality, with Booker T. Washington advocating for economic success and W.E.B. Du Bo