Wow...lot going on in THAT sentence...
Ah yes, the old "just following orders" Nazi soldier argument. Because soldiers have no obligation to ensure their orders are ethical before carrying them out.
It's not the "goodest" choice, but it damn sure isn't evil either.
Complete horseshit. They are an army IN THE PROCESS OF INVADING. Their advance forces were STILL BESIEGING HIS CITY! He is ABSOLUTELY defending.
20000 people, on their way to murder his entire country. Fuck...them.