According to the article what is not something ironic about Karl Marx

Karl Heinrich Marx was a German philosopher, economist, historian, sociologist, political theorist, journalist and socialist revolutionary.

Explanation:

a.) a poor farmer, due to the fact that they would want to be freed from british rule.

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.