What was one of Thurgood Marshall’s major achievements? A. organizing the Montgomery bus boycott B. founding the National Association for the Advancement of Colored People C. winning the Brown v. Board of Education Supreme Court case D. defending the Little Rock Nine

C. winning the Brown v. Board of Education Supreme Court case.

Explanation:

Thoroughgood Marshall was a civil rights activist, lawyer, and justice associate of the  Supreme Court (1967–91)of the United States. he was the first person from the African American community to hold that position of the Court. Nevertheless, it was the victory of Marshall before the Supreme Court in Brown v. Topeka's Board of Education that built his credibility as a powerful and innovative legal adversary and proponent of social change. The ruling of the case declared racial segregation in American schools as unconstitutional.

operation overlord was the codename for the battle of normandy, the allied operation that launched the successful invasion of german-occupied western europe during world war ii. the operation was launched on 6 june 1944 with the normandy landings

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