Question

How did New World plants have a large impact on Eurasia?

Answer 1

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New crops increased the choices available to local farmers, allowing them to adapt their crops to the soils, climates, and landscapes they farmed. Within 50 years of Columbus's voyages, maize — carried by Portuguese ships — was being farmed in parts of China that were unsuitable for rice cultivation.

Answer 2

Answer:

New crops increased the choices available to local farmers, allowing them to adapt their crops to the soils, climates, and landscapes they farmed. Within 50 years of Columbus's voyages, maize carried by Portuguese ships was being farmed in parts of China that were unsuitable for rice cultivation.