This document summarizes several important Supreme Court cases that impacted civil rights in the United States. It discusses the Brown v. Board of Education case in 1954 that ruled racial segregation in public schools was unconstitutional. It also describes the Dred Scott v. Sanford case in 1857 that ruled African Americans could not be citizens. Finally, it summarizes Roe v. Wade in 1973 that established a woman's right to an abortion as protected by the right to privacy.