Prime Minister of the United Kingdom the incumbent is consistently ranked as one of the most powerful and influential people in the world. The Prime Minister is the head of the United Kingdom government. As such, the modern Prime Minister leads the Cabinet (the Executive). In addition, the Prime Minister leads a major political party and generally commands a majority in the House of Commons (the lower House of the legislature). The incumbent wields both significant legislative and executive powers. Under the British system, there is a unity of powers rather than separation. In the House of Commons, the Prime Minister guides the law-making process with
Prime Minister of Brazil a parliamentary system of government, instead vesting the Executive authority in the Emperor himself, and stipulating that the Emperor was to be aided by ministers that he was free to appoint and dismiss. However, Emperor Pedro II decided to appoint a president of the Council among his ministers, to lead the workings of the Government. He also chose to create a sort of parliamentary government, whereby the prime minister would be someone who could command a majority in the Chamber of Deputies, the lower House of the Brazilian Imperial Parliament, known as General Assembly. Therefore, even without being required by