A person that makes money from selling war material or items needed by combatants fighting the war.
He was commander in chief. He dealt with the war accordingly.
World War 1
Yes - WW1. There is a legend that his mother, who was driven from her home by Union troops in 1863 as a Confederate sympathiser, wouldn't let him into the house in US Army uniform.
He was an Artillery Captain in WWI and became the US Commander in Chief in WWII.