Answer:
The Depression affected politics by shaking confidence in unfettered capitalism. That type of laissez-faire economics is what President Herbert Hoover advocated, and it had failed. As a result, people voted for President Franklin D. Roosevelt (FDR).
I've read this thing multiple times so I'm pretty sure its
Thomas Edison ..... Fact: The phonograph used wax cylinders wrapped in copper coils
4. is death from disease brought by European traders, because in the ships the traders brought fleas, leading to plague, which the Native Americans were not immune to.