Citizens are required to participate in juries if called upon primarily to ensure which of the following selections?

nativists tried to get rid of the immigrants as they thought they were going to ruin the u.s.  

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.