In October 1922 Mussolini became the constitutional head of the Italian government; by late 1926 he had imposed a Fascist dictatorship on Italy. Professor Cassels, who argues that Mussolini's policies in the 1930s, the era of the Rome- Berlin axis, were foreshadowed by those of the 1920s, traces the stages by which Mussolini took control of Italy's foreign relations.