Question

at the time of brown v. board, thurgood marshall worked for what civil rights organization?
the sclc
the core
the naacp

Explanation:

Thurgood Marshall served as the chief counsel for the NAACP (National Association for the Advancement of Colored People) during the landmark 1954 Brown v. Board of Education case, leading the legal team that successfully argued against school segregation. The SCLC and CORE were other civil rights organizations, but they were not Marshall's affiliation at this time.

Answer:

the NAACP