Final answer:
Qin Shihuangdi expanded the empire of China through military conquests and the establishment of a centralized bureaucracy.
Step-by-step explanation:
Qin Shihuangdi expanded the empire of China during the Qin Dynasty. He achieved this through military conquests and the establishment of a centralized bureaucracy. One notable expansion was the annexation of the state of Yan in the north, which allowed the empire to extend its territory towards the Korean Peninsula. Another significant conquest was the defeat of the state of Chu in the south, which gave the empire control over the Yangtze River valley.
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