Which political change occurred within the united states as a result of declaring war on germany during the first world war?

Which factor was a major cause of the great depression of the 1930?

What affected the second industrial revolution have on transportation

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