Answer:
The Middle Colonies enjoyed a successful and diverse economy. Largely agricultural, farms in this region grew numerous kinds of crops, most notably grains and oats. Logging, shipbuilding, textiles production, and papermaking were also important in the Middle Colonies
Explanation:
so I guess its either shipbuilding or logging
:"From 1628 to 1642, French sailors captured slaves on foreign slave ships and brought them into the French colonies. "French settlers also bought slaves from foreign slave ships," Frederic Regent, a historian at Paris' Sorbonne, told Enjeux magazine in 2008.
I believe rice became a Chinese Staple food during the Tang dynasty because new types of rice and new growing techniques yielded bigger harvests. Hope that helped.
the answer is B by the way, good luck!