Most immigrants who arrived at ellis island were detained for days. released into the united states within hours. imprisoned for months. returned to their native countries.

during the 1920s the goal of the united states was not letting business collide or go down or even compete this was due to wwl

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.