How did Hoover's policies impact the Great Depression? What were some of these policies and ideas? Did they work? Why or why not?

copernicus finished the first manuscript of his book, "de revolutionibus orbium coelestium" ("on the revolutions of the heavenly spheres") in 1532. in it, copernicus established that the planets orbited the sun rather than the earth. he laid out his model of the solar system and the path of the planets.

if you are going to ask a question give options..