C. It has a powerful military that strongly influences the government and economy
I believe that the answer to the question given above is that she think that the role of the counselor is the most significant among the rest of china since it reflects the will of the emperor.
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Answer:
A. Airplane
Explanation:
Around 1918, Air delivery, became the new mode of transportation for mail, as it rendered railroad services unnecessary. During this period, the Post Office moved on the airplane bandwagon early, there by, offering air mail service in the early 1900s.
Hence, the 1900's technological invention which allowed the U.S. postal service to deliver the mail considerably faster than previous methods is AIRPLANE.