I’m the Chief of a Primitive Tribe

After transmigrating into a primitive tribe, Chu Henli became the chief of a branch... one the tribe was about to abandon?

Keep the old, weak, sick, and disabled alive, and give them a life with enough food and warm clothes? That's easy enough!

Reform agriculture, build waterworks, manufacture weapons, and wield technology as a spear aimed straight at the wilderness! I want the whole world!