In what area did the National Association for the Advancement of Colored People (NAACP) have its first successes?

The NAACP achieved its first successes primarily in the area of legal advocacy against racial discrimination and segregation. One notable early victory was the 1915 Supreme Court case Buchanan v. Warley, which struck down racially restrictive housing ordinances. This legal approach laid the groundwork for subsequent challenges to segregation and discrimination, ultimately contributing to the broader Civil Rights Movement.