Precipitation in the tundra totals 150 to 250 mm a year, including melted snow. That's less than most of the world's greatest deserts! Still, the tundra is usually a wet place because the low temperatures cause evaporation of water to be slow.
In this period, Brazil came back to the two party political system. With the return of democracy, in 1986, and the establishment of the 1988 Constitution, the multiparty political system was set back and several parties were founded.
Brazil: Government and History. Brazil is a federal republic, consisting of 26 states and the Federal District of BrasÃ­lia. Each state has its own elected legislature and governor. Brazil's legislative body is the National Congress, which is composed of the Chamber of Deputies and the Federal Senate. Deputies are elected, on the basis of population, for a term of four years.