(i) Man discovered fire and therefore he became capable of living in cold weather  areas.

(ii) There was the emergence and development of new specializations such as iron  smelters, iron traders and crop cultivators.

(iii) Man lived in primitive life depending on nature. He solely depended on what  environment offered to him.

(iv) Tools were highly improved and more efficient

(v) He succeeded to design tools make and use better tools and started to domesticate  animals and plants.