1. subsistence - the condition of managing to stay alive when there is
little food 2. agrarian - societies based on agriculture 3. domesticate -
to tame plants and animals 4. Mesolithic Age - the middle period in the
development of technology 5. Neolithic Age - an era known as the New
Stone Age 6. sedentary - the process of settling down in one location
The film doesn't always improve the viewers understanding, the film could be lying that it's "based on real events". The film maker doesn't always know the real truth.