trading goods for goods, without money
lines on the globe that run pole to pole (north to south)
barter
keeps government branches from being too powerful
has the power to veto
writes laws
lines on the globe that run side to side (East to West)
longitude
a lack of a resource
executive branch
makes court rulings
opportunity cost
checks and balances
what you miss out on by choosing something else
judicial branch
scarcity
legislative branch
latitude
