Which transportation development had the greatest long-term impact on the american economy?

other sources of text

explanation:

this can be magazines, news reports, scholarly articles, textbooks, research papers etc.

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.

paper money known as continental currency, or continentals.

the south did not want the federal laws to overrule the state laws.