Respuesta :
The correct answer is: Traders could sell many varieties of Chinese spices in faraway markets. Trading various good with various neighboring kingdoms and places made the Song Dynastic prosperous during that time. They set up trading markets with their northern borders while their maritime merchants traded around the Indian Ocean, reaching as far as Somalia in Africa.
A ) Chinese merchants could import faster-growing rice from Southeast Asia.
B ) Chinese farmers could produce two rice crops per year, selling one for cash.