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)

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)

anonymous · Answer

This statement best supports which of the following conclusions about how Islam spread?

 It spread throughout Europe and Asia by trade.

 It spread across North Africa through military conquest.

 It spread around the world as a result of Islamic missionaries.

 It spread across the Arabian Peninsula as a result of Muhammad's travels

anonymous · Answer

whats the answer i need help