What was the main political challenge mexico faced after independence? - conservatives and liberals had opposing views of government. dictatorships left citizens with no say in government decisions. weak confederations led to constant battles between territories. the president's death left the country leaderless and vulnerable.

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.