Early humans in prehistoric age, used tools such as
stones, fires, etc. to altogether create simple to complex machines which is
the "technology". The technology helps in creating the
economic and communal development of the people in an area and eventually the
whole nation.
It turns the top soil and any remains crop over, producing fertilizer. It breaks up the soil for easier planting. By turning over the soil, weeds are reduced. Hope this helped!
B. A group of ideas or tenants of democracy
I'm pretty sure that the answer to this question is letter A.
