sentences:  Authorized to be built by Ansaldo of Genoa, the new battleship's keel was laid down on 14 May 1938 and launched on 15 November 1939.At her launching, she was christened "Impero", after Italy's empire in Africa.With Genoa being in bombing range of France, and war now a definite possibility, "Impero" was moved to Brindisi on 8 June 1940 due to fears of French attack.