Are you solving for y or x?
Answer:
Bull Run: First Major Battle of the Civil War
Antietam: One of the bloodiest battle
Vicksburg: Siege of a city by the Union Army that General Grant eventually won
Gettysburg: Resounding loss for the Confederates in their lone excursion into the Union
Appomattox: Surrender of the Confederates
The argument over the use and worship of idols greatly contributed to the Great Schism between the Eastern and Western Christian churches.
I think Woodrow Wilson... :/
D is the correct answer (: