In 1941, hitler launched an invasion into the soviet union
Explain how they have had an impact on changing perspectives
Some observers have suggested that the U.S. actually lost more than two dozen battles during Vietnam. But the 10 historians we contacted agreed that most, and possibly all, of the major battles were won by the U.S.
Isaac Newton, a worldwide known astronomer, physicist, mathematician and the creator of famous "Three Laws of Newton" brought up a metaphor of dwarfs standing on the shoulders of giants from the 12th century. The meaning of the above-mentioned metaphor is that people should discover truth based on previous experiences. The exact phrase Newton said in 1675 was that if he had seen further that was by standing on the shoulders of Giants.
Marco Polo found a new trade route (possibly several) that expanded trade in Europe.
