 During the First World War, he became the central target of British anti-German propaganda and the personification of a hated enemy.Wilhelm invented and spread fears of a yellow peril trying to interest other European rulers in the perils they faced by invading China; few other leaders paid attention.Wilhelm used the Japanese victory in the Russo-Japanese War to try to incite fear in the west of the yellow peril that they faced by a resurgent Japan, which Wilhelm claimed would ally with China to overrun the west.