14. What was a major effect of having a well-organized society, a system or roads, and a powerful army? Provide examples from the lesson or textbook to support your answer.

The controlled use of fire by hominids: (a) limited the expansion of hominids into certain environments, such as dry grasslands. (b) decreased the amount of food energy available in the hominid diet. (c) contributed to geographical expansion and food production techniques in positive ways. (d) has been shown to contribute little to the digestive process of hominids.