How could the industrial leaders of the late nineteenth century be considered both “captains of industry” and “robber barons"?

After nine states had ratified the constitution by mid-1788, other states quickly followed. all thirteen states had to obey it. it became law in the united states. none of the states had to obey it.

How does eurydice slipping back into the underworld support the theme

What do the differing approaches of booker t. washington and w.e.b du bois suggest about their views of american society?