Before the civil war, what backed government bills and currency?
a. diamonds
c. gold
b. promissory notes from congress
d. none of the above select the best answer from the choices provided

Before the Civil War, gold backed the government bills and currencies. The correct option among all the options that are given in the question is option "c". After the Civil War, currency notes were issued. I hope that this is the answer you were looking for and it has come to your help.