How did Columbian Exchange affected china?

Answer 1

Great commercial boom and population increased.

New food crops from the Americas : maize ( corn ) , sweet potatoes and peanuts.

Because these crops could be grown on inferior soils without irrigation, Chinese cultivation spread quickly through the hilly and marginal areas that bordered on the irrigated rice lands of southern China. They became vital supplements to the staple rice or millet diet of the Chinese people, particularly those of the rapidly growing southern regions.

These plants also became an important hedge against famine.

population growth and commercial growth .