Help please! The bibliography below was included in a history report.

Burchard, Peter. One Gallant Rush. Toronto: Macmillan Co. of Canada, 1965.

Douglass, Frederick. Life and Times of Frederick Douglass. Prineville, OR: Bonanza Books, 1962.

Franklin, Peter. A Divided Country. Los Angeles: Alfred A. Knopf, 1969.

Heller, Charles, E. "Between Two Fires: The 54th Massachusetts." Civil War Times Illustrated. Apr. 1972: 33-41.

McPherson, James M. Battle Cry of Freedom: The Civil War Era. New York: Ballantine Books, 1978.
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Which report topic matches the bibliography above?
A.
The Civil War
B.
Famous Battles
C.
Army Generals
D.
Types of Fire