During the first century of the Ming Dynasty's rule, the emperors promoted the expansion of China's

A. eastern front
B.
lace production.
C.
foreign trade.
D. mining industry.

C.  foreign trade.

Explanation:

The Ming Dynasty ruled China from 1368 to 1644, through an absolute Han clan monarchy.

This dynasty is considered one of the largest and most economically stable in history, with a great flourishing of art, science, and military and social development.

Traditional trade measures were also substituted, and there was a trade revolution, agriculture was stimulated so much that trade flourished throughout China, and later outside of it. By sea, the imperial fleets sailed around the known world carrying and bringing goods that they negotiated with the Portuguese, Spanish, Hindus, and even the Dutch or Somalis.

Also, the land routes of trade with Europe were stimulated and brought great wealth to the kingdom.

I hope this information can help you.

answer; inductive techniques;

two jet streams that directly affect the formation of weather in the continental part are a polar jet and a subtropical jet. they are responsible for the transportation of weather systems, which directly affect people. the polar front is the boundary between cold air from the north pole and warmer equatorial air. both the polar jet and the subtropical jet blow from the west to the east, and follow the boundary between cold and warm air.

the strongest jet streams are polar jets, while subtropical jets are somewhat weaker.

the right answer is c. the polar jet stream is generaly stronger than the subtropical jet stream.