Boredom!! Can someone help cure it lol

How did american entry into world war i affect the allied powers?

Type the corect answer in the box. there were many causes of the enlightenment. however, a particular revolution played an important role in its development. this revolution was a result of discoveries made by scientists such as isaac newton and galileo galilei. they dug deep into the realms of science to discover new laws of physics and decipher the mysteries of the universe. the revolution refuted the claims of the catholic church about the position of earth in the solar system. this revolution is called what?

The soviet union and the united states believed in two very different economic systems. what were the names of each?