I believe the Teutons at the time of Rome lived in an anarchy. They were called Barbarians by the Romans. They were inferior to the Romans because there was no military in this sense. Those who fought did so of their own free will. However, the terrain and the forests have ruled out the conquest of Rome.
Die guten alten Germanen.
..do you ave any good links to recommend - to read more about them...? (english?)