The structure of government where the national has its specific duties that it takes care of and the state government has its own specific duties it takes care of with some duties shared among the two is called: Unitarianism

Utilitarianism

Confederalism

Federalism

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.

they forced them to b sell their land