The information comes from Baidu Encyclopedia. Iron hoof is a novel written by American writer Jack London. The novel created the image of Anast Everhard, the leader of the socialist revolution, who organized the working people to eliminate the monopoly of the iron hoof through armed struggle. He touched the people with his words and deeds and educated his wife and father-in-law.

Spartacus is a famous work by Italian writer Raffaello Giovagnoli. Based on real historical events, it tells the story of a slave uprising in ancient Rome. The rebel army led by the gladiator Spartacus repeatedly hit the Roman army and fought to the last minute, depicting the immortal image of Spartacus.