Answer:
D, oil was discovered on the Arabian peninsula.
United States saw it as another alliance.
Answer: Fiat money
Explanation:
The paper money that is used in the United States is the Federal Reserve Notes. It should be noted that the Federal Reserve Note is an example of a fist money.
Fiat money refers to a government-issued currency and it should be noted that this isn't backed by a commodity. Through fiat money, the central bank can control the economy. Majority of modern paper currencies, are fiat money. e.g dollar, pounds etc.
Progressive ideas are used in preparing for the military is because you don't want to get your country bankrupt and you also don't want to throw everything you got right away