Qingjia taught this method to the people of the tribe, and there was a bumper harvest of grain that year, because Qingjia was good at using fire, and the people of the tribe called him Emperor Yan, which was the first Emperor Yan. Emperor Yan later invented the plow, and on the basis of the plow, it was finally improved, which greatly improved the labor productivity, and after solving the problem of eating, people went to work less often, and there were few entertainment programs at that time, unlike now chatting on the Internet, watching TV, traveling, etc., which led to a sharp increase in population. In addition, the surplus of wealth led to the beginning of the division between the rich and the poor, and the infighting began, prompting some people to gradually migrate eastward in search of their own paradise.

The migration route of the Yan Emperor was along the Weishui to the east, and then along the south bank of the Yellow River all the way to the east and formed a state of dog-tooth interlacing with the local Dongyi group, and by the time the Yellow Emperor arrived, the Yan Emperor clan had already established a foothold in the Central Plains for 500 years, and the name of the Yan Emperor was Yu Yan at that time.

Battle of Zhuolu

After the two tribes met, they were safe at first, after all, the two tribes were connected by blood, and there was no substantive conflict, one was grazing, the other was farming, they did not affect each other, there was not much conflict of interest, the place was vast and sparsely populated and rich in resources, even if there was a little contradiction and apologized to each other. All in all, the relationship between the two tribes is relatively harmonious.

The Yellow Emperor was a smart and studious man, gifted and intelligent, and soon he found that agricultural cultivation was much more advanced than nomadic herding, and the life security was better. So he learned to plant from the Yandi tribe, and developed many varieties from it, from the original millet and millet to the five grains, millet, soybean, wheat, and rice. Agricultural production tools have also been greatly improved, the two-way development of animal husbandry and agriculture has made the Yellow Emperor tribe drought and flood to ensure a bumper harvest, and the small life is very nourishing, it stands to reason that such a fairy-like life should also be born, but the Yellow Emperor does not think so, he is a very ambitious person, without great ambition will not migrate all the way from the Shaanxi-Gansu border to the Hebei Great Plain, without superhuman perseverance and excellent leadership is unimaginable. The leader of the Yandi tribe is Yu Gang, and Yu Gang's talent root is incomparable to the Yellow Emperor, and his ability to control the tribes has gradually weakened.

The climate change is intensifying, and the Hebei Great Plain inevitably enters the temperate climate. The average annual temperature drops by 1 degree Celsius, which is roughly about 200 miles to the south. The change of climate is that the water resources of this place began to decrease, the Yellow Emperor clan has not fully entered the era of farming, in fact, the development of the Yellow Emperor's tribes is very unbalanced, the later generations called "Rong" are the descendants of the Yellow Emperor tribe, to the Zhou Dynasty there is also a record of the daughter of Lishan as the Son of Heaven, that is to say, Lishan Rong is still a matrilineal system. At that time, whether it was farming or animal husbandry, they all depended on the sky for food, especially those tribes who lived by water and grass were living in more difficulty, resources were becoming more and more scarce, productivity did not develop by leaps and bounds, and the war for resources was about to break out.

Emperor Yan is still the leader of the Great Plain of Hebei, but the Yellow Emperor is not under the jurisdiction of Emperor Yan, the fuse of the outbreak of war is that Emperor Yan requisitioned a large number of materials from a tribe that manufactures pottery and a clan that manufactures production tools, these two clans are overwhelmed and took refuge in the Yellow Emperor, these two clans are very important to the Yanhuang tribe, the Yellow Emperor is of course very happy to get these two clans, Emperor Yan is very annoyed, and the Yellow Emperor wants the Yellow Emperor is of course not to give, to the most fat who will spit it out, Emperor Yan said you don't give it, believe it or not, I beat you, the Yellow Emperor said I am not scared of you this。 The needle tip is getting more and more angry with McWalr's back and forth, and he gets.

The Yellow Emperor moved from the nomadic era to the semi-agrarian era, and his power on the Great Plain of Hebei was very strong, while the Yan Emperor's control over other tribes was declining. As the saying goes: a camel is bigger than a horse, and a hundred-legged insect dies but does not stiffen. Don't look at the decline of the Yandi tribe, and the Yellow Emperor fought with the Yellow Emperor, the Yellow Emperor is not one, the Yellow Emperor was defeated and retreated in the early days of the war, there were countless big battles and small battles, and the Yellow Emperor won less and lost more. Through the long-term trek of training, the Yellow Emperor tribe has cultivated a perseverance personality, but also a master who does not admit defeat, compared to the military Yellow Emperor and the Yan Emperor is incomparable, so the Yellow Emperor tribe retreated all the way to the vicinity of Zhuolu, almost withdrew from the entire Hebei Plain, at this time the Yellow Emperor was also a little panicked, on the one hand to the original tribe for help, while trying to stabilize the situation. At that time, Zhuolu was still very mild, very suitable for the survival of nomadic tribes, the plains and hills crisscrossed to attack and defend, plus there was a new army, the Yellow Emperor decided to fight here. Now it seems that it is very strategic, the two armies have been holding each other for a long time in the area of Zhuolu Hanquan, no one can help anyone, and the long-term confrontation does not matter to the Yellow Emperor, after all, his tribe is adapted to nomadic life, eating and drinking is not a problem,