Lincoln's election victory in 1864 was sealed by Union military successes at
a. Gettysburg, Antietam, and Vicksburg.
b. the Wilderness, Lookout Mountain, and Appomattox.
c. Bull Run, the Peninsula, and Fredericksburg.
d. Mobile, Atlanta, and the Shenandoah Valley.
e. Chancellorsville, the Wilderness, and Cold Harbor.
Answer: D