Answer:
He claimed the Frontier Thesis or Turner Thesis and it is is the argument advanced by historian Frederick Jackson Turner in 1893 that American democracy was formed by the American frontier.
Answer:
I believe the answer is A Women were assigned to vital noncombat services, such as delivering war planes.
Explanation:
Because women were allowed into the military at WWR II
Answer:
D.
Explanation:
Basic Answer: In the late 1800s, workers organized unions to solve their problems. Their problems were low wages and unsafe working conditions. ... First, workers formed local unions and later formed national unions. These unions used strikes to try to force employers to increase wages or make working conditions safer.
Answer: primary
Explanation: I’ve taken history ;)