The ancestors of living Native Americans arrived in what is now the United States at least 15,000 years ago, possibly much earlier, from Asia via Beringia. A vast variety of peoples, societies and cultures subsequently developed.
The Nazis expressed hatred toward people who didn't fit their standards, either ideologically, or physiologically. These people included Jews, homosexuals, Gypsies, Slavs, and many others.
They were a rather hateful group.
Hope that helped =)
Answer:
It caused people to be more poor
Legislative branch can ratify treaties
Jarred Diamonds search began in USA