Explain the HISTORICAL CONTEXT to the Q and A Below

Voyages such as those referred to in the third paragraph were most directly facilitated by which of the following
A- Merchants understanding of the patterns of the monsoon winds

PARAGRAPH 3: In 1331 Sulaymans great-great-grandson Muhammad ruled the whole kingdom of his father by preachable means. He was extremely fond of money and trade. He ordered his merchants to undertake voyages to India to trade there and because of this be became very wealthy.