《史记·八书·平准书》
汉朝接连打了三年仗，杀掉了西羌入侵的军队，灭了南越国，番禺以西直到蜀南初次设了十七郡，姑且按照他们原来的风俗加以治理，不征收赋税。
汉连兵三岁，诛羌，灭南越，番禺以西至蜀南者置初郡十七，且以其故俗治，毋赋税。
For three years, the Han dynasty waged wars, vanquishing the invading Western Qiang forces and extinguishing the Southern Yue[7] kingdom. For the first time, seventeen commanderies were established between Panyu in the west and Shunan in the south. They were governed roughly in accordance with the local customs and taxes were not collected.
<s>[INST] Kindly elucidate the central themes in this passage in English: 汉连兵三岁，诛羌，灭南越，番禺以西至蜀南者置初郡十七，且以其故俗治，毋赋税。 [/INST] For three years, the Han dynasty waged wars, vanquishing the invading Western Qiang forces and extinguishing the Southern Yue[7] kingdom. For the first time, seventeen commanderies were established between Panyu in the west and Shunan in the south. They were governed roughly in accordance with the local customs and taxes were not collected.</s>
Kindly elucidate the central themes in this passage in English: 汉连兵三岁，诛羌，灭南越，番禺以西至蜀南者置初郡十七，且以其故俗治，毋赋税。
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For three years, the Han dynasty waged wars, vanquishing the invading Western Qiang forces and extinguishing the Southern Yue[7] kingdom. For the first time, seventeen commanderies were established between Panyu in the west and Shunan in the south. They were governed roughly in accordance with the local customs and taxes were not collected.
assistant