Good Landlord of the Tang Dynasty.

Summary

The emperor's issuance of the Iron Voucher, a token of death exemption, shocked the court. Initially a proof of title, it evolved to grant pardons from death, though its effectiveness was questionable, as seen in Liu Wenjing's fate. Zhang Chao, the 18th recipient, gained honor but faced challenges due to offending the Crown Prince. Li Yuan, eager for military success, hoped Zhang Chao would engage the Tuguhun tribe to strengthen negotiation power. The establishment of the Dingxi Protectorate, with Zhang Chao as its head, aimed to manage relations with surrounding tribes and enhance military authority, reflecting the Tang Dynasty's strategic ambitions.

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