Emperor Wudi served as emperor of the Han Dynasty in China from 141 B. C. until 87 B. C. He changed the way people were appointed to government jobs by A.
using a lottery system to decide who would be placed into jobs.
B.
only allowing his family members to work in the government.
C.
requiring people to pass written tests before they earned a position.
D.
assigning jobs to those who had paid him the most money.

Taking Examinations in a Confucian Academy.

Explanation:

i think  its c..

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explanation:

the right answer is the third one: turnpikes went short distances to connect markets. turnpikes, also known as toll roads, were very important for trade and transportation (of people, goods and products) in the 19th century, coinciding with the expansion towards the west. they contributed significantly to the economic development of the united states.