11. HL Hunley
Read the Question.
Why do you think that some people might argue that the HL Hunley should not be considered an innovation?
Scan the Blurb.
In February of 1864, Horace L. Hunley’s namesake the HL Hunley became the first submarine to engage in wartime hostilities. The Confederate naval vessel engaged and successfully sunk the USS Housatonic off Charleston Harbor, South Carolina.