Answer:
An extermination camp was a place to send people to be killed. Most of this happened during Adolf Hitlers rule when he killed millions of Jews. These camps were a fast easy way to exterminate a group of people.
The Louisiana Purchase eventually doubled the size of the United States, greatly strengthened the country materially and strategically, provided a powerful impetus to westward expansion.
The answer should be D, Doubled the size of the country
their new lives new technologies such as the radio, silent movies and Henry Ford's automobile industry were invented. And First, it gave Americans more leisure time. By the 1920s, there were many more labor saving devices, particularly ones that reduced the difficulty of housework. These gave Americans more time to do things other than simply working. Second, technology gave Americans more things to do with that newly-found spare time.
Was good for having a civilized army
