What impact did railroads have on cities across the United States at the turn of the twentieth century? Many cities became industrial centers.
Many cities saw a decrease in population.
Many cities became agriculture centers.
The railroads had minimal impact on cities across the United States.

du boi was considered a radical because he wanted the immediate end for segregation. the biggest different between him and booker t. washington is that, even though washington believed that segregation should be considered illegal, he did not believe at all that a law was needed to keep blacks away from whites and that this would be something natural (to have the races apart) for a long time until society adjusted, while du boi believe that agitation was the only way to end segregation.

a big one is

to appoint and regulate officers of the land and naval forces,

which caused much controversy ending the articles