Actually, there has been two battles in the choices provided that could fall into a "great victory", these are the Battle of Gettysburg and the Battle of Waterloo. The Battle of Gettysburg was known to be the most "costliest" battle at the course of the American Civil War, and on the other hand, the loss of Napoleon in the Battle of Waterloo led to the great French Empire's demise.
Apply actions to solve the problem that has been reported
Answer:
I don't know what or even if there are answer choices for this, but it sounds an awful lot like a <u><em>vigilante.</em></u>
Explanation:
From what I can find, the definition of vigilante is "a member of a self-appointed group of citizens who undertake law enforcement in their community without legal authority, typically because the legal agencies are thought to be inadequate". So, not exactly the same, but it sounds similar.