Question: What is the name of the predecessor to the Nazi Party which included Ernst Julius Günther Röhm as a member, a close friend and early ally of Adolf Hitler and whose sexual encounters are written about in the novel 'The Vengeance of Rome'? 
Sentence (from "Ernst Röhm"): By 1934, the German Army feared the SA's influence and Hitler had come to see Röhm as a potential rival, so he was executed during the Night of the Long Knives.
Relevant evidence: No