How did george gershwin learn to play the piano?

What are three supporting points as to why opium was wrong in the chinese trade? why should it have stopped? (opium wars)

What was the importance of latin during the scientific revolution in europe? it encouraged people to join the roman catholic church. it was the language used to celebrate the roman catholic mass. it provided a common language for the exchange of ideas. it was one of many languages used to share new ideas.

How big would a 1940s computer have to be in order to have the power of a modern personal computer?