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.
1 Partido Trabalhista Brasileiro (Brazilian Labour Party), the name of two political parties in Brazil.  Party of Labour of Burkina (Parti du Travail de Burkina), a political party in the African nation of Burkina Faso.