Half the slaves of Italy were on the verge of insurrection, and in the capital no man could tell when the revolution would break out in his very home. All that opulent society, which had enjoyed every luxury slavery could produce, trembled at the thought of losing everything—mastery, property, life. Senators and millionaires cried out for a better general; few offered themselves, for all feared this strange new foe. At last Crassus came forward and was given the command, with 40,000 men; and many of the nobility, not all forgetting the traditions of their class, joined him as volunteers.