The answer is they had skills similar to modern people
Explanation: Neolithic is a chronological division of the so-called Prehistory of Humanity, from 10,000 BC to 4,000 BC Neolithic means “new stone” or Polished Stone Age.
These denominations indicate that the divisions in this period of human existence were made from the development of man-made artifacts, as well as the development of some practices regarding their action on nature.