The answer is B, because the Song would make all government candidates undergo the civil service exam. Only if they passed would they be able to become part of the bureaucracy.
An important difference between Edison‘s inventions and those dire industrial technologies after the civil war was Edison's early inventions did not favour mass production of goods.
<u>Explanation:
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The emergence of urgency for new industrial technologies resulted in the invention of many crucial machines and devices. These technologically advanced machines proved beneficial in undertaking mass production of commodities.
The early inventions of Thomas Alva Edison were not relevant to the contemporary need of the industry as the inventions were that of the phonograph and the incandescent bulb.
Eventho it changed it kind of still is similar at the same time