How Shalt We Treat The French?

   After the first battle of the play "Henry V",  the king says to treat the French of the town with mercy.  In Act 3, Scene 3, he states "Use mercy to them all for us, dear uncle."  It is plain that king Henry does not want the French destroyed since he wants them to be spared and he wants his soldiers to be merciful to the French.  Yes, it was the Christian thing to do.