Map of the Kingdom's Warfare.

Summary

Baling County was captured by the Sui navy, leading to significant losses for the Tang army, including over 4,000 casualties and the destruction of 400 warships in Yiling County. This news caused panic in Chang'an, especially as Du Fuwei was raising troops in Jianghuai. Emperor Li Yuan and his advisors recognized the severity of the situation, prompting discussions on how to respond. Li Shimin suggested reinforcing Jiangxia to prevent further Sui attacks, while Pei Ji argued for calm and observation, believing the Sui forces were stretched. Tensions rose as Li Shimin challenged Pei Ji's views, leading to a consensus that the eastern expedition should be paused to secure critical territories. Li Jian Cheng warned of potential Sui advances into Bashu, and further discussions revealed the urgency of reinforcing Jingbei. Liu Wenjing proposed two plans for reinforcement, but both had significant drawbacks. Prince Li Yuanji then revealed that Wang Shichong had bolstered his forces, confirming the need for immediate action. Ultimately, Li Yuan ordered the eastern expedition army to retreat to Jiangxia Jun to secure their position.

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