Definition: Generate a correct and concise answer for the question based on the words in the context.
Input: Context : Wager Swayne (November 10, 1834 -- December 18, 1902) was a Union Army colonel during the American Civil War who eventually was appointed as the last major general of volunteers of the Union Army.
Question : Which conflict was Wager Swayne a part of?
Output:
American Civil War