Sharecropping, agricultural depression, the widespread infestation of the boll weevil, and flooding also provided motives for African Americans to move into the Northern Cities. The lack of social opportunities from Jim Crow laws also motivated African Americans to migrate Northward.
Last one because everyone started building navies, so everyone else started building navies in order to defend against other navies.
Answer:
1 day ago of Vicksburg was already cut off by Union naval forces and General Grant was on his way by north.
I think that is the right answer, I didn't have enough information :)
Herbert Clark Hoover was the 31st president of the United States through the years 1929 - 1933.
The answer is A Decreasing tensions with natives, they wanted to give up their land
