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 has had seven constitutions: 1  Constitution of 1824 â the first Brazilian constitution, enacted by Emperor Pedro I. 2  Constitution of 1891 â the republic was proclaimed in 1889, but a new constitution was not promulgated until 1891.