How did the europeans create the tribal tensions.

War was frequent across Anatolia by around 5,500 B.C., central Europe by 4,300 B.C., and northern China by 2,500 B.C. Ancient states encouraged more militarism ...

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.

1.   île de la cité

2. 200 years

3. for the nave and choir

hope im right, havent learned about this in a year