How did railroad technology improve profits for companies?

Who tried to stop the civil rights act of 1964 from passing the us senate and what tactic did they use? how was their opposition overcome?

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

How is the principle of states rights reflected in the declaration or the articles of confederation