12. which african american leader demanded full and immediate equality in the late 1800s?

I believe the answer is: W.E.B. Du Bois

In order to achieve the equality, W.E.B Du Bois become one of the founders of National Association for the Advancement of Colored People (NAACP), an organization which established in order to bring justice for mistreatments against colored people in both government and private sector.

people can eat food during that time

a historian researching the immigration policies of the early 1900s would expect a source written today,rather than in 1910 to :

( a ) be more interested in objective data and statistics.