Ernest Rutherford contributed to the atomic theory by discovering that the atom is mostly empty space.
He can to that conclusion because he fired alpha particles at gold foil, which was so thin that it was only around .00004 cm thick, and while almost all shot straight through, some actually bounced back!
He likened it to shooting a 15-inch round(bullet) at tissue paper, only to have it bounce right back at you! Based on this, he theorized that the atom is mostly empty, which is why a majority of the particles passed right through, but in the very center of the atom there is a super-dense structure called a nucleus that held a majority of the atom's mass. This super-dense mass would be more than massive enough to deflect the particle, should they collide.
Answer:
The Americanization Movement. The United States dealt with a flood of immigrants during the early 20th century through the Americanization Movement—a variety of programs and campaigns aimed at turning foreigners into Americans. ... In addition to education, the movement wanted to celebrate the American way of life.
Explanation:
Sigmund Freud is known as the father of psychoanalysis. Psychoanalysis is<span> a clinical method for treating psychopathology through dialogue between a patient and a psychoanalyst.</span>
Schenck v. United States 1919 was a landmark decision case that helped to define the limits and reaches of the First Amendment when it pertains to the right to free speech during wartime.
This decision provided further clarity when pertaining to when the government is allowed to limit free speech.
Charles Schenck was arrested for distributing flyers that urged young men to resist the draft. Shenck was found guilty of performing disloyal acts and being dangerous to national security.
