John MacDonald was a prominent Canadian politician and the first Prime Minister of Canada. He played a crucial role in the confederation of Canada in 1867, helping to unite the provinces into a single nation. His leadership and vision were instrumental in shaping the early government and policies of the country. MacDonald served as Prime Minister for a total of 19 years, with two non-consecutive terms. He is known for his efforts in expanding Canada westward and for the construction of the Canadian Pacific Railway, which connected the eastern and western parts of the country. His legacy is complex, with both achievements and controversies.