The average precipitation, including melting snow, in the tundra is between 6 and 10 inches per year. Coupled with strong drying winds, the annual precipitation makes the tundra an area of extreme weather.
The Constitution describes the U.S. political system. This document will describe political systems in general, and then use specific examples of real-world political systems. In the course of creating this page, Wikipedia was an invaluable resource.
a political system where power is based on the wealthiest elements of the society