The British Prime Minister is the head of the government in the United Kingdom. This leader is responsible for making important decisions, setting government policy, and representing the country both domestically and internationally. The Prime Minister is usually the leader of the political party that has the most seats in the House of Commons. The Prime Minister is appointed by the Monarch and must maintain the confidence of the House of Commons to stay in office. They oversee the Cabinet, which is made up of other government ministers, and play a key role in shaping laws and addressing national issues.