The answer among these options that describes a primary cause of the Neolithic Revolution is C) the extinction of animals that people hunted.
Without the use of machinery many Americans will be employed to do various jobs. Their unemployment rate during that time will decrease. Another consideration is that there is a need for expertise in handling heavy machinery. One must be learned enough not only to drive heavy machinery but also to operate it and maintain its good condition.
Because the leaders of Europe held the Berlin conference to divide Africa
Trajan is the answer for this
