Step 1 : Introduction to the question "What Civil War battle caused the most casualties?"
...The Battle of Gettysburg, fought from July 1 to July 3, 1863, is considered the most important engagement of the American Civil War. The Battle of Gettysburg was also the costliest battle of the Civil War, with 51,112 casualties (23,049 Union and 28,063 Confederate). Gettysburg was a victory for the Union forces and is considered by many experts to have been the turning point in the Civil War. It marked the last attempt of the Confederates under General Robert E. Lee to invade the north and move the conflict out from the area of Virginia.
Step 2 : Answer to the question "What Civil War battle caused the most casualties?"
Battle of Gettysburg:
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