Mare Nostrum Mediterranean Fleet, with bases in UK-controlled Gibraltar, Malta, Cyprus, Egypt, and Mandatory Palestine remained the only threat to Italian naval power in the Mediterranean. The invasions of Albania, Greece and Egypt, and the Siege of Malta sought to extend Axis control over the Sea. This policy was so far-reaching and potentially intrusive, that it threatened neutral nations like Turkey, a threat that İsmet İnönü, the president of Turkey at the time of war, countered by promising to enter the war only if the Soviet Union joined the Allies. Mussolini dreamed of creating an Imperial Italy in his "Mare Nostrum" and
Exultavit cor nostrum campaigns such as against the Assassins, and suggested joint efforts between the Mongols and the Christians against their common enemy, the Egyptian Mamluks. The letter also expressed Hulagu's desire to return Jerusalem to the Christians. King Louis sent John and the letter along to Pope Urban, and John probably returned to Maragha in late 1262. Exultavit cor nostrum Exultavit cor nostrum is a letter, also known as a Papal bull, from Pope Urban IV to the Mongol Ilkhanate leader Hulagu in 1263/1264. The letter was evidently in response to a message brought to Urban by John the Hungarian, who claimed