Why would soldiers have wanted to record "audio letters"? A. The small records were harder for the enemy to intercept
B. The records were one of the only ways for families to hear
soldiers' voices
C. It was easier to speak than to write letters after the long day
of a soldier

the answer is a) high entry costs

darwinism is survival of the fittest there for social darwinism is the survival of the wealthiest

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.