I believe it was called greenbacks.
Answer:
The nation had no central authority to supervise banks.
Explanation:
An elevation map shows the height of physical parts of the earth, relative to sea level
he United States entered the war because of the Germans' decision to resume the policy of unrestricted submarine warfare, and the so-called "Zimmerman telegram," intercepted by the British, in which Germany floated the idea of an alliance with Mexico.