Regarding the history of Chinese dynasties, in the words of the "Romance of the Three Kingdoms", it is "long time must be divided, and the division must be united for a long time", the rise and fall of various great unified dynasties alternately, and at the same time there is no shortage of divided regimes such as the Five Dynasties and Ten Kingdoms, Wei and Jin Southern and Northern Dynasties, but if you are interested in readers and friends, you will find that in the long-term unification war, it is always up to the northern regime to complete the government of the south, such as the Sui Dynasty destroying the Chen Dynasty, the Tang Dynasty destroying the Sui Dynasty, the Song Dynasty destroying the Southern Tang Houshu, the Yuan extinguishing the Song, the Qing Dynasty destroying the Ming, why the ancients fought wars. What if southerners can't beat northerners? Could it be that northerners are too fierce? Or are southerners too gentle?
In fact, as for the reasons inside, there are many, first of all, the cultural atmosphere in various regions, as early as the Spring and Autumn Warring States period, the Qin state and the Zhao state located in the northwest are the most powerful countries, the Qin state has carried out the Martingale transformation method, the quality of the army has been greatly improved, and the Zhao state under the leadership of king Zhao Wuling, learning to ride and shoot, the combat ability of the troops has also been strengthened, and the northern region has greatly increased the opportunity to train troops compared with the south, there are Xiongnu in the Qin and Han dynasties, and there are Khitans in the Tang and Song dynasties. The frequent raids of these nomadic peoples also kept the north on a high level of military alert.
The second reason is because of economic problems, from the Three Kingdoms period of the Jin Dynasty, the ancient Chinese economic center gradually moved south, the Chinese nation from the Yellow River Basin also slowly to the Yangtze River waters to develop, to the Song Dynasty, the Jiangnan region has become the richest area, according to historians statistics, in 1000 AD, the Song Dynasty with less than half of China's chassis to support the world's 22.7% GDP, per capita GDP reached 450 US dollars, then the most developed Rome in Western Europe, only 400 US dollars. Due to the opening of the Song court, the common people are also very comfortable, and during the Song Renzong period, basically ordinary people can eat meat several times a month.
Compared with the Song Dynasty, his neighbors, the Liao, Jin and Mongol Empires founded by the nomadic peoples were not so lucky, their tribes in the steppe, simply could not feed too many people by animal husbandry, and at the same time there was no fertile arable land, mild climate and sufficient water resources, so plundering other tribal civilizations can be said to be a frequent occurrence, over time, the Jin Khitan Mongols cultivated powerful cavalry, and their horses were more durable than in the south. When nomadic tribes attacked the regime in the south, the failure of the Song Dynasty may have only lost a city, but for the nomadic people, it meant hunger and poverty and death.
The south's combat effectiveness is still a little insufficient, since life is so happy, why should it fight? The Song Dynasty was the only country in the ancient Chinese imperial court to choose a comprehensive conscription system, many people defected to the army, just to eat a mixed meal, but the rich court did not mind, they could afford hundreds of thousands of troops, but this also led to a special decline in the combat effectiveness of the troops.
Therefore, to sum up, it is still a matter of living conditions, there have been many Northern Expedition wars in history, and the Song Dynasty has fought against Jinliao. Zhuge Liang cut down Wei, the Eastern Jin Dynasty cut down Former Qin, and finally failed, the soldiers had no motivation to fight at all, and there were only a few successful Northern Expeditions, one was Zhu Yuanzhang, the common people could not eat and were forced to rebel, and there was no gap in equipment since the modern Northern Expedition War, and second, the morale of the army was high, and naturally it could be fought.
Therefore, the unification of China from the north in ancient China was only a historical trend, and as for the fierceness and gentleness of the northerners and the southerners, this is still not visible. Readers, what do you think?