1) build a catapult and put it in plain view
2) on an old piece of parchment, with an old feather ink pen, write a message about the duality of his character and all the broken promises of a groomed yard an civil children. explain to him that this breakage of the social contract instigates war and if he doe not cease the construction of his war machines then you will be forced to appease him with the full furry of your modern weaponry. make sure to use olde english words like ye and wise and beautiful woman.
if he doesnt get the picture, attack
if he wants a treaty, sign it, then attack when he least expects it
...:yawn; theres my good deed for the day :laugh: