John A. Macdonald (1815-1891) was a Canadian statesman and the first Prime Minister of Canada. Born in Scotland, he immigrated to Kingston, Ontario, at a young age. Macdonald played a crucial role in the Confederation of Canada in 1867, which established the Dominion of Canada. He served as Prime Minister for almost 19 years, in non-consecutive terms, making him one of the longest-serving leaders in Canadian history. Macdonald's leadership was instrumental in expanding Canada's territory through the acquisition of Rupert's Land and the Northwest Territories. He also oversaw the construction of the Canadian Pacific Railway, connecting the country from coast to coast. Macdonald's policies aimed to promote economic growth, national unity, and the protection of British interests. Despite his accomplishments, Macdonald's legacy is not without controversy. He implemented policies that adversely affected Indigenous peoples, including the residential school system. His government also faced corruption scandals, including the Pacific Scandal. John A. Macdonald's contributions to Canadian nation-building and his impact on the country's political landscape make him a significant figure in Canadian history.