His reign saw the last of [[Zheng He|Zheng He's]] famous "treasure ship" voyages, and the abandonment of Ming efforts to conquer [[Annam]] (Vietnam), as the Court turned its attention to more domestic matters, and to defending the borders against the [[Mongols]]. The Xuande Emperor launched one significant campaign against the Mongols, but the conflict with the Mongols became more significant under his successor, the [[Zhengtong Emperor]] (Ming Yingzong). | His reign saw the last of [[Zheng He|Zheng He's]] famous "treasure ship" voyages, and the abandonment of Ming efforts to conquer [[Annam]] (Vietnam), as the Court turned its attention to more domestic matters, and to defending the borders against the [[Mongols]]. The Xuande Emperor launched one significant campaign against the Mongols, but the conflict with the Mongols became more significant under his successor, the [[Zhengtong Emperor]] (Ming Yingzong). |