After some encompassing measures, the owners of the dock forts promised not to harass the Jin army again, but after all, they were southern barbarians, and they always had some rejection of the Central Plains, so they were unwilling to help the Jin army, but adopted a neutral policy of not violating the river water with the Jin army's well water.

Although the various Wubao were reluctant to help the Jin army, Hua'an also understood their difficulties, they were all barbarians, and many of the people of Wubao had joined the rebels, and letting them help the Jin army was tantamount to strangling their own people, emotionally speaking, they could not accept this fact.

Moreover, the influence of the rebels in the south of Jiaozhou is extremely great, and the dock forts dare not offend the rebels openly.

Since the Great Jin Dynasty lost the Central Plains and weakened its strength, the entire south of the Red River was almost completely controlled by the Nanyue people, and most of the counties set up by the Great Jin Dynasty in the south of Jiaozhou also allowed the Nanyue people to hold great power, and even most of the people and horses guarding Jiaozhou in the Great Jin Dynasty were stationed in the three counties in the north of Jiaozhou, and the control of the south was extremely weak.

But the emaciated camel is bigger than the horse, although the Great Jin lost half of the Central Plains, but the strength is still much higher than the Nanyue tribes in the south of Jiaozhou, therefore, the various tribes of the Nanyue tribe have not dared to be too presumptuous for many years, but have been bowing to the Great Jin.

The sudden change in the situation occurred a few months ago, when a well-spoken minister of Shu came to the southern part of Jiaozhou and tricked several ambitious Nanyue chieftains into rebelling against the Jin, thus occupying the entire Jiaozhou and achieving hegemony.

When the Nanyue chieftains were worried about the strength of the Jin State, the envoys of the Shu State swore that they would send the elite soldiers of the Shu State as their backing, and said that the main army of the Jin State was dragged down by the more powerful Zhao State in the north, and the troops deployed in the two states of Jiaoguang were very few, and they were not vulnerable at all.

Under the repeated bewitchment of the envoys of Shu, several ambitious chieftains of the Nanyue tribe were gradually moved, and they gathered dozens of tribal chiefs from Jiude and Rinan counties to discuss the feasibility of launching a rebel army.

In fact, these tribal chieftains were all bewitched by the envoys of Shu and were full of confidence in occupying the entire six counties of Jiaozhou, completely ignoring the fact that the strength of the Great Jin Dynasty was far superior to them.

For the few chieftains who did not agree to raise troops, the envoys of Shu killed them in order to dominate their subordinates, so the few Nanyue chieftains who did not agree to raise troops were brutally killed, and their tribes were also annexed by other tribes.

Dozens of large Nanyue tribes in Jiude and Rinan counties gathered nearly 100,000 tribal soldiers, and after they assembled, they suddenly moved north, first occupied Jiuzhen County in the middle of Jiaozhou, established an advance base in its capital Xupu City, and demanded that the nearby tribes obey themselves and support their rebellion.

Subsequently, 100,000 rebels continued to march north, crossed the Red River, conquered many cities one after another, and captured Jiaozhi City, the capital of Jiaozhou, in one go, and annihilated nearly 20,000 horses of the Jiaozhou Legion of the Great Jin Dynasty, and the remnants of the 3,000 men and horses of the Jiaozhou Legion of the Great Jin Dynasty escaped from Jiaozhou and withdrew to Guangzhou under the timely rescue of the Guangzhou Legion.

It was easy to completely occupy the entire Jiaozhou, and the victory was too easy to obtain, and the ambitions of the Nanyue chieftains who launched the rebellion swelled again.

They believed that the entire Lingnan region, including the whole of Canton, the northern borders of Jiangzhou and Jingzhou, and even the seven or eight prefectures and counties of Shu that supported their rebellion, should be given their territory.

Their reasons can be traced back to the last years of the Qin Dynasty, when there was a large-scale uprising in the Central Plains, first the Daze Township Uprising of Chen Sheng and Wu Guang, and then the emergence of strongmen like Xiang Yu and Liu Bang.

Zhao Tuo, the lieutenant of Nanhai County of Daqin, raised troops to annex Guilin County and Xiang County, and then established the Nanyue State, and the entire Lingnan region was the territory of the Nanyue State.

Prompted by their inflated ambitions, the Nanyue rebels had the idea of restoring their homeland, so they continued to send troops to attack Guangzhou based on Jiaozhi City, intending to first capture the entire Guangzhou, and then take Panyu City, the capital of Guangzhou, as the capital to restore the rule of the Nanyue Kingdom.

The ambition of the Nanyue rebels is extremely inflated, which makes the monarchs and ministers of Shu who supported their rebellion have a trace of vigilance in their hearts, in case the Nanyue rebels really occupy the entire Guangzhou, will they wave their troops to the west and attack their Shu in the next step.

Although there was vigilance in his heart, Shu still supported the rebels to attack Guangzhou, but the army of Shu was quietly stationed in Xinggu County, and did not support the rebels at all, but sat on the mountain to watch the tiger fight, and kept abreast of the situation of the Great Jin and the rebels, so as to respond to all changes.

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The main force of the Jin army, all the way to the south, soon entered the territory of Jiuzhen County, the more south the road is more difficult to walk, the army's action can be described as extremely inconvenient, a large number of materials required for logistics and supply, it is extremely difficult to transport, the army's action has also become slow, can only walk twenty miles a day, otherwise, the follow-up grain and grass may not be supplied.

For this reason, Hua'an is very curious, when the rebel army of 100,000 troops attacked the south, it can be said that they traveled hundreds of miles a day, how did they transport grain and grass? After conducting some investigation, Hua'an learned that only 30% of their grain and grass came from the rear, and 70% of the grain and grass were collected from nearby villages and towns, and Wubao, so naturally there was a lot less trouble in transportation.

The Northern Expeditionary Army also tried to buy grain and grass from the nearby Dock Fort, but most of the Dock Fort refused the request of the Northern Expeditionary Army on the grounds that the grain and grass were limited and only enough for their own consumption, and the Northern Expeditionary Army could not send troops to forcibly rob it, otherwise, the Dock Fort here would fall to the rebels, and the situation of the entire Jin Army would be even more difficult.

How can we solve the problem of transporting grain and grass? Hua'an took a look at the map of Jiaozhou in the big tent, and suddenly his eyes lit up, Jiaozhou jungle is vertical and horizontal, land transportation is extremely inconvenient, but Jiaozhou is close to the sea, if the materials are loaded onto the ship and transported by sea, the pressure on logistics will be greatly reduced.

After carefully studying the map, Hua'an felt that the supplies from the rear should first be transported by land to Ding'an City on the north bank of the Red River, then loaded onto ships and carried along the current of the Red River into the sea, and finally transported south along the coastline, so that the logistical problem would be solved.

Hua'an's plan saved a lot of grain strongholds on the way, and also saved a large number of guards for the Jin army, so that the main force of the Jin army could attack the rebels with all their might.

Since the rear materials were transported by sea, the main force of the Jin army also needed to occupy the coastal cities, or the cities close to the Great River, so as to receive the materials smoothly.