Complex sentence: Crassus resigns from the Senate, supposedly to share the disgrace of his exiled friend Glabrus; however, Gracchus suspects that he is merely waiting for the situation to become so desperate that the senators will make him dictator, thus neutralizing Gracchus's rival plebeian party.
Split into simpler sentences: Crassus resigns from the Senate, supposedly to share the disgrace of his exiled friend Glabrus. However, Gracchus suspects that he is merely waiting for the situation to become so desperate that the senators will make him dictator, thus neutralizing Gracchus's rival plebeian party.