《史记·七十列传·张仪列传》
过了一年，张仪担任秦国的将军，夺取了陕邑，修筑了上郡要塞。
居一岁，为秦将，取陕。筑上郡塞。
One year later, Zhang Yi was the general of Qin, seized Shanyi, and built the Shangjun fortress.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 居一岁，为秦将，取陕。筑上郡塞。 [/INST] One year later, Zhang Yi was the general of Qin, seized Shanyi, and built the Shangjun fortress.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 居一岁，为秦将，取陕。筑上郡塞。
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One year later, Zhang Yi was the general of Qin, seized Shanyi, and built the Shangjun fortress.
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