What was the effect of climate change and economic depression on the Ming Dynasty? A. The Ming Dynasty began to close down industries that polluted the environment.
B. It impoverished the people and allowed Ming rulers to further consolidate their power
C. It allowed the challenging Manchus to come to power.
D. Climate change created new opportunities for Japanese armies to destroy their rule

D

Explanation:

led to a 20-50 % reduction in the per capita production of raw grain in most areas of China, which resulted in widespread food crises and exacerbated the vulnerability of social structures during the last several decades of the Ming dynasty.

B. It impoverished the people and allowed Ming rulers to further consolidate their power

answer: the ocean

explanation: if you map out 30 n and 40 n latitude, you will get the ocean