Which of the following best summarizes the career of Thurgood Marshall? Marshall was a minister who, along with the NAACP, filed a lawsuit to allow his daughter to attend an all-white elementary school. Marshall played baseball in the Negro American League, attended UCLA, and became the first African American to play Major League Baseball. After founding the NAACP, Marshall was appointed the first African American Supreme Court justice. After working for the NAACP and winning twenty-nine court cases, Marshall was appointed to the Supreme Court.