Manche von ihnen mochten die Musik, aber ihr Hauptgeschäft war... Kriegführung und Bösartigkeit.
Some of them actually love the music, you know, but their main thing is, you know...
warfare and
Er wandte die Regeln der verdeckten Kriegführung in unserem Land an.
He took the rules of covert
warfare he'd used abroad and brought them to this country.