Travel to a World Ruled by Tribes

Lin Fan wakes up and becomes the son of the tribe leader. He saves the tribe in times of crisis. With modern wisdom, he makes the tribe rich and well-fed. This makes other tribes greedy and plunges the tribe into war. Can Lin Fan solve the aggression of other tribes? Would tribe be better? Can the AC power developed by Lin Fan be used? How fast is the tribe developing? Can Lin Fan build a civilized world? Will the earth be ruled? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.