I Build an Empire in Primitive Society

[Establishing power + maintaining friends and family + single female protagonist + no system + modern technology] Su Chen, who just graduated from college, did not know whether it was an accident or was arranged by a powerful person to travel to a bizarre primitive society. There are ferocious tigers, packs of ferocious wolves, and ferocious and strange beasts such as unicorns, Qiongqi, Taoshu, and Man from the Classic of Mountains and Seas. There are also prehistoric behemoths such as Tyrannosaurus Rex, Mosasaurus, and Pteranodon. What kind of world is this? See how the protagonist uses modern science and technology to improve the living environment, conquer alien beasts, conquer other tribes, and build an empire.