John Diefenbaker was a Canadian politician who served as the 13th Prime Minister of Canada from 1957 to 1963. He was the leader of the Progressive Conservative Party and is known for his strong advocacy of civil rights, including the introduction of the Canadian Bill of Rights in 1960, which aimed to protect individual freedoms. Diefenbaker's government focused on expanding Canada's economy and promoting national unity. He was also notable for his foreign policy, which included strengthening ties with the United States and supporting the development of the Northwest Territories. His leadership style was characterized by his populist approach and strong oratory skills.