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.
Romania's political framework is a semi-presidential, representative democratic republic where the prime minister is the head of government and the president is the head of state. Executive power is exercised by the president of the republic and the government. Romania has a multi-party system, with legislative power vested in the government and the two chambers of parliament: the Chamber of Deputies and the Senate. The judiciary is independent of the executive and the legislature.