What role did Japan play in China's economic isolationist policies during the reign of the Ming dynasty?
A. Japan helped China enforce its isolationist policies by patrolling
China's coast in search of Europeans.
B. Japanese leaders followed China's example and also refused to
allow foreign goods into Japan's markets.
C. Japanese pirates smuggled foreign goods into China and Chinese
goods to foreign markets.
D. The Japanese military forced China into economic isolation by
blockading its major ports.