What battle is seen as the turning point on the eastern front?photo with question

List two inventions that were invented in the united states before the american civil war

What was the significance of the battle of saratoga

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