 Complete the following phrase:  With Pisa in a state of decline, Genoa expanded into Corsica and northern Sardinia. In 1266 Genoese merchants purchased the city of Kaffa from the Golden Horde and went on to establish further trading colonies in the Black Sea and Byzantine Empire. This expansion brought Genoa into further conflict with the powerful city-state of Venice, which also had trade relations in the area. The bitter rivalry escalated into the first of the VenetianGenoese wars in 1296, at which point Genoas fleet consisted of 125 galleys. Despite outnumbering the Venetian navy, the Genoese fleet was unable to catch them, and Genoas merchants suffered greatly during the war. A change came in 1298 when a major engagement was fought in the Adriatic Sea off the coast of Korčula. At the 