Answer:
the answer would be B: American patriotism to support the war effort.
Capitalism is basically people who want money like Mr Crabs but communism is like everything belongs to everyone and the government takes more
The one that cause a consumer to have an elastic demand for a product is : C. the product isn't a necessity
If that product is a necessity (such as food and water), the demand wouldn't be affected by prices because people will still buy it anyway
hope this helps
B- Vittorio Wilson is the correct answer even tho you didnt list the answers i had the exact same question. =P
Battle of Vicksburg...............