Answer all parts of the question that follows.
(A) Explain ONE cause of expanded trade in the Indian Ocean Basin in the period c. 1200-c. 1450.
(B) Explain ONE effect of expanded trade in the Indian Ocean Basin in the period c.1200-c. 1450.
(C) Explain the relationship between expansion of maritime trade in the Indian Ocean Basin c. 1200-c. 1450 and the expansion of trade over the land routes of the Silk Roads.