Thurgood marshall (select all that apply)
a) signed the southern manifesto.
b) was a lawyer for the naacp.
c) was the first black justice of the supreme court.
d) argued plessy v. ferguson before the supreme court.

The correct answer is C) was the first Black justice of the Supreme Court.

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

Thurgood Marshal (1908-1993) was a lawyer that is best renowned for being the first African American justice of the Supreme Court. He studied at the University of Maryland and graduated in 1933. During his life as a lawyer, he supported the black’s civil rights and was part of the National Association for the Advancement of Colored People(NAACP). The most famous case of Brow was in 1954: Brown V. Board of Education. He became a justice of the Supreme Court in 1966, after being nominated by Lyndon B. Johnson.

the underground railroad (apocope of the metropolitan railroad) is a system of urban trains located within a city and its metropolitan area. it is characterized for being a massive transport of passengers in the big cities, uniting diverse zones and their environs, with high capacity and frequency and in segregated form to other systems of transport. metropolitan railroads are built underground or on the surface, although most systems use mixed models where sections are combined in both modalities.

1 - as a result, the metro tends to reduce car travel for two reasons: first, due to the greater transfer of users from the car and, second, due to the reduction in the acquisition of cars in homes located in sectors near the stations of the metro.

2 -the metro allows to contribute effectively to the achievement of all the objectives of an urban development policy: it improves the efficiency of the city's economy by reducing travel costs and also generates a higher level of activities in the city center, taking advantage of of the agglomeration economies.

3 -it is a clean means of transport, since it uses renewable energy (usually electricity), taking care of the environment and avoiding excessive pollution.

explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

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