How was thurgood marshall able to change laws that gave more rights to women and african americans?

thurgood Marshall (July 2, 1908 to January 24, 1993) was an American lawyer who was appointed as an associate justice of the Supreme Court in 1967. He was the first African-American to hold the position and served for 24 years, until 1991. Marshall studied law at Howard University. As counsel to the NAACP, he utilized the judiciary to champion equality for African Americans. In 1954, he won the Brown v. Board of Education case, in which the Supreme Court ended racial segregation in public school.

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for many centuries there were important factors which the economies of the muslim empires developed increasingly. they applied economic procedures in production, investment, finance, taxation and property. they used to tax certain goods (for example: harvest), they charged interest on money lent, they signed contracts with merchants; they relied on a common currency, and they used checks as well as promissory notes. with the money collected by means of taxation, the government provided the needy with an income. in addition, trading networks covered huge distances, so far regions started to have contact and exchange goods. this trade network covered areas of asia, africa and europe.