The Sumerians saw most of their wealth and success from trade.
Answer:
I think it's Maxican war because it says on the bottom
A law stating that as the price of a good increases, the quantity demanded of the good decreases, and that as the price of a good decreases, the quantity demanded of the good increases.
Multi-faceted approach to conservation is building regional capacity at every level in order to increase environmental and social resilience to climate change and to set a course for development which will sustain communities and the ecosystems that support them into the future.