"At length on April 5th (1326) we reached Alexandria. It is a beautiful city, well-built and fortified with four gates and a magnificent port. Among all the ports in the world I have seen none to equal it except Kawlam (Quilon) and Calicut in India, the port of the infidels (Genoese) at Sudaq (Sudak, in the Crimea) in the land of the Turks, and the port of Zaytun (Canton?) in China, all of which will be described later."
—Ibn Battuta, Travels in Asia and Africa 1325-1354, tr. and ed. H. A. R. Gibb (London: Broadway House, 1929)

This statement best supports which of the following conclusi

Question

"At length on April 5th (1326) we reached Alexandria. It is a beautiful city, well-built and fortified with four gates and a magnificent port. Among all the ports in the world I have seen none to equal it except Kawlam (Quilon) and Calicut in India, the port of the infidels (Genoese) at Sudaq (Sudak, in the Crimea) in the land of the Turks, and the port of Zaytun (Canton?) in China, all of which will be described later." 
—Ibn Battuta, Travels in Asia and Africa 1325-1354, tr. and ed. H. A. R. Gibb (London: Broadway House, 1929) 

This statement best supports which of the following conclusi