Answer:
Cultural Structure.
Explanation:
The Five Civilized Tribes refers to the five Native American nations—the Cherokee, Choctaw, Chickasaw, Creek (Muscogee), and Seminole. These were the first tribes that were considered to be "civilized" by the European settlers. The tribes each adopted Christianity, literacy, intermarriage (with white Americans), centralized governments, plantation slavery practices, etc.
Literature is directly affected by events in society. The Industrial Revolution marked an impact in literature by changing the themes authors mostly wrote about. Authors started to focus on topics such as technology, materialism, and the possible disadvantages of technology.
When the Soviet Union launched Sputnik on October 4, 1957, it set off the space race with the United States.
Both countries wanted to be the dominant country when it came to Space and for America, this meant changing educational priorities.
STEM became the focus as young people were encouraged to use their mind to help get America further into the stars.
America spend quite a lot of money to land the first man on the Moon and eventually moved on to other priorities.
the neolithic it developed about 12.000 ago about