Within their close corporation there were rivalries, intrigues, perjuries, and treacheries like those of a medieval court. Each general and staff-officer had his followers and his sycophants, who jostled for one another’s jobs, fawned on the great man, flattered his vanity, and made him believe in his omniscience. Among the General Staff there were various grades⁠— G.S.O. I , G.S.O. II , G.S.O. III