Wanax was another name for a Mycenaean king.
The battle you are referring to is actually called the Battle of the Ironclads. In this battle, it was the Merrimac (from the Confederacy) versus the USS Monitor (from the Union). This was the first battle between iron-fortified vessels in the Civil War. This battle ended up in a draw but represented a new form of fighting that both the Union and Confederacy had to be ready for.
Every Greek man was expected to keep in shape in case he was called up to the military. (War in Greece was almost constant.)
Answer: Nicollo Machiavelli
Explanation: renaissance thinker. Machiavelli is not a medieval political thinker (as Dante Alighieri in his "Monarchy") anymore. His political thougths do not refer to metaphysical, divine realm. His political thought takes place in profane, secular realm.