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the Second Seminole War and the Mexican War
Various skirmishes during the Indian Wars.
The Battle of Gettysburg was fought during the U.S. Civil War.
The Battle of the Bulge.
Rome fought Carthage for 23 years 264 to 241 BCE during the First Punic War.
There were a number of Wars during the reign of Queen Victoria. The related link below will inform you about them.
none
WWII was going on during that time
the submarine
The Submarine
The United States fought as a whole, and not particular to individual states.