During the Civil War, "greenbacks" issued by the federal governmentsteadily gained in value as the war progressed. were backed by silver. ?uctuated in value depending on the fortunes of the Northern armies. were backed by gold. were backed by gold and silver?
A. were backed by gold.
B. were backed by gold and silver.
C. fluctuated in value depending on the fortunes of the Northern armies.
D. steadily gained in value as the war progressed.
E. were backed by silver.