Just a half century after cheng ho's voyages, the ming dynasty turned to a policy of
a. colonization
b. exploration
c. isolation
d. expansion

In just a half century after Cheng H.o's voyages, the Ming dynasty turned to a policy of colonization. So the answer is A.Colonization. The Colonization is a process of settling among and establishing control over the indigenous people of an area. The Ming dynasty was also described as " one of the greatest eras of orderly government and social stability in human history".. It was also the last imperial dynasty in China ruled by ethnic Han Chinese.