David Cameron - The Conservative Party
The Prime Minister is currently Justin Trudeau and he leads the Liberal Party of Canada.
Labour.
In the United Kingdom, the current Prime Minister is David Cameron of the Conservative Party. He formed a coalition of parties for his administration. Based on his position and his party, it's safe to say that the Conservative Party remains the "lead party" in the UK.
The Prime Minister of Great Britain governs the country, as the official leader of the ruling party of Parliament, and since Great Britain is a constitutional democracy, he also has a duty to consult with the monarch (who currently is Queen Elizabeth II, long may she reign) and to obtain her consent for his policies.
Winston Churchill
The Prime Minister serves as long as his party is in power, whether it be as a single party or as part of a coalition. The Prime Minister stops serving when they step down, or he loses the ability to lead the government.
Typically, the Prime Minister is the leader of the largest party in the House of Commons. Therefore, theoretically to become Prime Minister, one must be selected as the leader of a federal political party and then lead the party to the largest number of seats in a federal election. Alternatively, being chosen as the leader of the largest party in parliament upon the resignation of the incumbent Prime Minister would lead to becoming Prime Minister.
Winston Churchill was the Prime Minister Of Great Britain between 1940-45 and 1951 - 1955.
Wales has the same prime minister as England, even though they are different countries. The current Prime Minister is David Cameron, from the Conservative party. Wales is a devolved country which means it has its own Government with limited law making powers. It has an Assembly made up of Ministers similar to that of Parliament and is lead by a First Minister. In this case The first Minister is Carwyn Jones
1940-45. Winston Churchill didn't lead Britain INTO war. When he became Prime Minister on 10 May 1940, Britain had already been at war since 3 September 1939 when Neville Chamberlain declared that Britain was at war with Germany.
AnswerSir Winston Churchill was leading Britain against the Nazis. As the Prime Minister of Great Britain he was in command of the armed forces as is The American president of the day. AnswerWinston Churchill
Taxes, which is what lead to the original tea party.