Q: In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.
In his second term in this politicians highest office, he proposed a transcontinental railroad, which his opponents considered unrealistic and which later became the CP Railway. In addition to squashing a Northwestern rebellion, he bought Ruperts Land from the Hudsons Bay Company. This man formed a group specifically to prevent another Riel rebellion, which later became the Royal Canadian Mounted Police. The Pacific Scandal of 1873 regarding the Canadian Pacific Railway led to the resignation of this politician. For ten points, name this Prime Minister who also added British Columbia, PEI, Manitoba, and the Northwest Territories under his tenure as the first Prime Minister of Canada.
A:
History