What were the defining characteristics of the black upper class?

Apoll showed voters prefer that members of congress act as delegates. how might we expect the effect of this to differ between senators and representatives?

Who were the main leaders of the major powers (france, england, and great britain) during the treaty of versailles?

Why was galileo galilei brought before the inquisition? for insisting that earth stands still at the center of the universe for proving that planets move in elliptical orbits for putting forth evidence that earth moves around the sun for suggesting that the sun is a star