How does the author's discussion of Jim Crow help readers understand the consequences of racial segregation laws?
1) It emphasizes how African Americans had access to lower quality services and spaces, and more difficulty participating in voting.
2) It stresses that African Americans had to travel north if they wanted to avoid the discrimination present in the South.
3) It shows how many spaces were reserved for whites, while people of color were not allowed their own spaces.
4) It highlights how dangerous it was for African Americans to challenge Jim Crow laws in the South.