The West Sea... must open up trade!
The global trade of the four seas concerns the livelihood of the world, connecting the North through Jiangnan, the West Sea was formerly the most important trade area for the wealthy merchants of the North, but now, due to the mists sealing off the West Sea, the North-South trade has come to a halt, which is detrimental to both sides.
The North lacks salt, iron, and various silks and teas, while the South lacks horses, grain, and the North's unique cotton, not to mention the trade in luxury goods.
During wartime, these resources become even more crucial, and the troubles brought about by the stalled trade are confounding not only the Duke of Wei and his group in the North but also the Princess Royale in the current predicament...