Go visit the Völkerschlachtdenkmal at the outskirts of Leipzig to get a visceral understanding of the dark undercurrent of Teutonic culture that led to militarism. This is a war memorial that celebrates war and military sacrifice, no pacifist message there at all. It was inaugurated less than a year prior to the outbreak of the Great War. https://en.wikipedia.org/wiki/Monument_to_the_Battle_of_the_... The feeling you…
It's how you turn an innocent population into a unified fighting force (or whatever). You exacerbate and channel existing tensions and/or exploit a crisis. You frame your story in terms of popular narratives.
They teach this stuff in Dictatorship 101