Which of the following is a likely reason for the decrease in stability for societies that rely on external control?a.Societies that rely on external control are less likely to maintain sustainable practices, due to their larger size.b.Societies that rely on external control are more likely to be self-regulating.c.Societies that rely on external control are less likely to have low unemployment rates.d.Societies that rely on external control are more likely to be independent of water and biomass resources.