Black nationalism, or "Black Power" as it is sometimes known focused on black people improving their own communities, rather than fighting for full integration into American society as a whole.
(A)The Black Codes controlled the labor, movement, and activities of freedmen, while the Jim Crow Laws imposed racial segregation in all public facilities. I think would be the best anwser.
The noteworthy about the work of Daniel Burnham, Louis Sullivan, and Frederick Law Olmstead is they constructed high rises in urban areas on both coasts. They all took a shot at structures for the 1893 Chicago World's Fair, which presented numerous advancements.
Venice, Italy is built across 120 islands
The Anglo–Sudan War and the Sudanese Mahdist Revolt.