How did the United States demonstrate its isolationist policy before World War Il?
O
by avoiding alliances and other international relationships
by encouraging alliances and international relationships
by avoiding friendships with other foreign countries
by encouraging independence among states in the US

oil! is what i am assuming

true

explanation:

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.