Primary Sources.
Geography and History at the Crossroads. Homeschool World. https://www.home-school.com/Articles/geography-and-history-at-the-crossroads.php.
Haggerty, J. H., Kroepsch, A. C., Walsh, K. B., Smith, K. K., & Bowen, D. W. (2018, July 18). Geographies of Impact and the Impacts of Geography: Unconventional Oil and Gas in the American West. The Extractive Industries and Society. https://www.sciencedirect.com/science/article/abs/pii/S2214790X18301436.
Secondary Sources.
Auerbach, S. (2016, September 29). How Does the Physical Geography of a Place Affect Human Life? Education. https://education.seattlepi.com/physical-geography-place-affect-human-life-3619.html.
Interesting Facts About American Geography. American Geography Portal. https://www.amergeog.org/interesting-facts-american-geography/.
Nelson, B. (2019, May 20). 23 U.S. Geography Facts You Didn't Learn in School. Reader's Digest. https://www.rd.com/list/us-geography-facts-didnt-learn/.
Society, N. G. National Geography Standard 15. National Geography Standard 15 | National Geographic Society. https://www.nationalgeographic.org/standards/national-geography-standards/15/.
Books.
Krugman, P. R. Geography and Trade. Google Books. https://books.google.com/books?id=AQDodCHOgJYC.
Pictures.
(n.d.). Retrieved November 13, 2020, from https://www.google.com/search?q=us+map+with+civil+war
(n.d.). Retrieved November 13, 2020, from https://www.google.com/search?q=us+map+with+economy
(n.d.). Retrieved November 13, 2020, from https://www.google.com/search?q=us+map+with+industries
(n.d.). Retrieved November 13, 2020, from https://www.google.com/search?q=us+map+with+mountains+and+rivers
(n.d.). Retrieved November 13, 2020, from https://www.google.com/search?q=us+map+with+politics