When the news of Li Guoying's return to Wu Sangui reached Chongqing Prefecture, the Ming army had been stationed outside the city for several miles.

Liu Fangming, the general soldier of Ningxia, first came to the city with 13 families and one infantry in the east, and 25,000 Ningxia soldiers and horses set up artillery on the west line of Jintangmen, Tongyuan Gate and Dingyuan Gate in the west of the city, aiming at the chaotic Chongqing Mansion from afar.

Liu Fangming did not directly order the siege of the city, before the battle, he sent an envoy to ask the defenders of the city to open the city and surrender, the defenders of Chongqing were not stubborn resistance, under the threat of artillery on Loquat Mountain, the defenders opened the city gate and surrendered to Liu Fangming.

After the liberation of Chongqing, the surrounding prefectures and counties also changed banners, and until late December, in just one month, the Ming army controlled all the prefectures and counties except Long'an, Baoning, Tongchuan and Shunqing in northern Sichuan.

After the Sichuan governor Liu Tichun met with Liu Fangming, the two then had a discussion, and finally decided to join forces to fight, Liu Tichun stayed in Chongqing Mansion to appease the military and civilians in eastern Sichuan, and Liu Fangming presided over military affairs, along the Jialing River waterway and attacked Shunqing Mansion.

After the initial stabilization, Su Dingyuan was not in a hurry to continue the attack, but transferred literati from Yungui and other places to fill the vacant official positions in various cities.

Sichuan stabilized, and at the same time, the Ming army in Hubei also invaded Henan under the leadership of Zhang Mingzhen, and although the southern part of Henan was not plundered by the Wu army, there were also many uprisings in the area, and the fighting between the rebels and the Qing army displaced the people here and left the fields barren.

The Ming army of the Northern Expedition was undoubtedly regarded as a liberator by the people, and the Ming army's policy of apportioning the land into the mu and the people of Huguang lived and worked in peace and contentment made the people welcome the Ming army.

In the eyes of these soldiers, there is no difference between the surname Qing and the surname Ming on the top of their heads, and now the Qing emperor has directly abandoned them and run outside the pass, no matter how hard they work, they can't get more money.

Therefore, in just one month, the Ming army recovered all the two provinces in southern Henan, and the soldiers even hit Ruzhou, directly threatening the important town of Henan.

Looking at the whole of Henan, Zhang Mingzhen's Ming army had two opponents, one was the Wu army that occupied Henan and Huaiqing Mansion, and the other was the Qing army that occupied most of Henan.

Wu Sangui's main direction of attack was still Shanxi, so he only sent his subordinate Li Benshen to guard Henan Mansion, and at the same time moved the people of Henan to Shaanxi to increase Shaanxi's war potential.

After the Ming army reached Ruzhou, Li Benshen suddenly became nervous, and he hurriedly stationed troops in the south to enter the Longmen Pass and Xuanyuan Pass in the Luoyang Plain to prevent the Ming army from attacking Henan Mansion.

His worries were not unfounded, and after recovering Ruzhou, Zhang Mingzhen learned of Wu's actions from the local people who had not moved to Shaanxi with him, and decided to stop Wu's conspiracy.

Prior to that, Zhang Mingzhen first watched the situation in Henan, at this time the Qing army in Henan was mainly held in Kaifeng Mansion under the leadership of Xu Tianzhong, the governor of Henan, and tens of thousands of green battalion soldiers were scattered in the areas of Zhangde, Weihui, Kaifeng and Guide. ....Hong Chengchou gave them the task of shrinking the defense line and clearing the rebels and rogues in the jurisdiction, but the morale of the Qing army was low and the people's hearts were unstable, even if they were bandits, they wanted to save their lives.

The Qing army pulled his crotch like this, and Zhang Mingzhen determined the priority of the attack after some comparison in his heart - he ordered Wang Yi to attack Xuzhou, and stationed troops in the area of Xuzhou to guard against the Qing army, and moved to Ruzhou himself, commanding the three horses to attack the Wu army.

Although it is said that persimmons should be pinched softly, the Qing army looks like this soft persimmon on the surface, but don't just look at the situation, but look at the overall situation, in the north of Kaifeng Mansion, the traitor Hong Chengchou is still sitting in the Daimyo Mansion, this force is not a persimmon that is easy to pinch.

In comparison, this Li Benshen under Wu Sangui seems mediocre, at least Zhang Mingzhen has never heard of his outstanding achievements, and the Wu army in Henan is not more than 10,000 troops, and it is clear which is stronger and which is weak.

On the other side, fierce battles also broke out on the Shandong battlefield in the east, and the Ming army made a comeback under the leadership of Zhang Huangyan after a few months of repair, and fell into a fierce battle with the Qing army in Shandong.

It is worth mentioning that because the former governor of Shandong, Xia Yu, deliberately slowed down the speed of the march and passively slackened the battle, Hong Chengchou was angry and demoted his official position, and reappointed Liu Zhong, the former Marquis of Pingnan, who surrendered to the Great Shun Army, as the new governor of Shandong, and ordered him to prepare for war to meet the enemy.

After Liu Zhong surrendered to the Qing court, in order to show his loyalty, he actively suppressed the rebel army and the Ming army from all walks of life, as if he was a convert.

This is also the reason why Hong Chengchou dared to use him, and after Liu Zhong was promoted to the post of governor of Shandong, he immediately reorganized his army and patrolled the front line every day.

Liu Zhong was full of confidence, because more than 50,000 troops from Shandong and North Zhili were gathered around Jinan Mansion, and the Qing army built a large number of camps on the south bank of the Yellow River west of Mount Tai, making it difficult for the Ming army to move an inch.

However, the Qing army missed a point, and they all believed that the Ming army would attack in the direction of Changqing County, bypassing Mount Tai and taking Jinan, but instead deployed only a small number of troops and horses in Zichuan County, on the eastern side of Taishan.

After sending scouts to investigate, Zhang Huangyan decided to lead the main force to feint an attack on Changqing County, and the headquarters of Huaiguo Gongsu and the Mongolian cavalry battalion raided the Qingshi Pass south of Zichuan and crossed to the northern basin of Mount Tai.

In mid-November, Zhang Huangyan, who was the first to receive the edict of the Northern Expedition, led a large army to Changqing County, and launched an indiscriminate bombardment of the Qing army's defense line with artillery.

Although the Qing gunners also fought back, the Ming artillery was superior in number, and the Qing gunners were quickly suppressed, losing many artillery pieces and destroying the camp walls in many places.

The Ming army then took the Russian garrison, dressed in heavy armor and armed with two-handed battle axes, as the vanguard, braving the dense long-range fire of the Qing army to rush into the gap in the wall and engage the Qing army in hand-to-hand combat.

The combat effectiveness of the Russian garrison, even the heavy infantry of the Manchurian Eight Banners, couldn't help but be afraid, let alone the green battalion of the Qing army.

As soon as the two sides looked at each other, the Qing army was directly cut down by the two-handed battle axes, and the spears and swords they stabbed cut at the heavy armor of the Russian garrison soldiers, and they could only sound a sharp metal collision sound and burst into sparks, but could not hurt the other side in the slightest.

Under such an unequal battle, the Qing army soon lost its will to fight, and they were routed on all fronts, giving up the first camp.

The feint attack of the Ming army really attracted the attention of the Qing army to the west of Mount Tai, and Su Ci took advantage of the situation to take the Mongolian cavalry as the vanguard and led the army to kill Qingshi Pass.

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