Economic freedom is the fundamental right of every human to control his or her own labor and property. In an economically free society, individuals are free to work, produce, consume, and invest in any way they please.
Geography has a profound effect on where civilizations settle. The earliest civilizations resided within river valleys, and used the area around them to create opportunities to benefit their growth. Mountains, rivers, and plateaus provided natural defenses, at the cost of movement and trade.
Federalism meaning power is shared between the national and state governments. Separation of powers into branches that make, enforce or interpret laws. Balance of Power - controls (checks) can be made on the other branches. Limited government - everyone is bound by the US Constitution.