Thurgood marshall signed the southern manifesto was a lawyer for the naacp was the first black justice of the supreme court argued plessy v. ferguson before the supreme court

Thurgood Marshall was the first black justice of the Supreme Court.

Explanation:

Thurgood Marshall, born in 1908, was an African-American lawyer who, in 1967, became the first African-American justice of the Supreme Court. He was appointed by President Lyndon Johnson, and from his position he marked a new era of diversity and cultural acceptance that became after the Civil Rights Movement of the 1960s.

the most famous of all the units fighting in cuba, the "rough riders" was the name given to the first u.s. volunteer cavalry under the leadership of theodore roosevelt. roosevelt resigned his position as assistant secretary of the navy in may 1898 to join the volunteer cavalry. the original plan for this unit called for filling it with men from the indian territory, new mexico, arizona, and oklahoma. however, once roosevelt joined the group, it quickly became the place for a mix of troops ranging from ivy league athletes to glee-club singers to texas rangers and indians.