Why obama is the worst president in us history?

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.

Name three things the framers of the constitution did to keep the federal government or any part of it from becoming too powerful.

What is the best way to achevieve long-term financial goals