The library in egypt became the center of research, literature, and science

Alexandria.

Explanation:

The library at Alexandria in Egypt became the center of research, literature, and science. It is also known as the Royal Library of Alexandria and was created by Ptolemy I Soter. It was one of the biggest and most important libraries during ancient Egypt.

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.