How does history explain population distribution today

History is a useful tool to understand why population distibutes in a certain territory based on historical records of population growth and distribution.

Explanation:

History records all of humans events through time; It also includes records of population in different cities. Records can be used in conjuction with information of the historical data during those dates to understand why population changed in certain way from the past to modern days and also estimate the evolution of population in size and spread.  

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.