Can we learn anything from the Habsburg Monarchy? A few broad principles of Habsburg strategic statecraft stand out as potentially relevant in any era.
Benjamin Franklin nailed it when he said, "Fatigue is the best pillow." True story, Benny. There's nothing like pushing your body so far past exhaustion that you'd willingly, even longingly, take a nap on a concrete slab.
And no one knows that better than military service members and we have the pictures to prove it.