10th Canadian Ministry  The Tenth Canadian Ministry was the second cabinet chaired by Prime Minister Sir Robert Borden. It governed Canada from 12 October 1917 to 10 July 1920, including most of the 13th Canadian Parliament. The government was formed by the Unionists, a war-time coalition between the old Conservative Party of Canada and some members of the Liberal Party of Canada. Borden was also Prime Minister in the Ninth Canadian Ministry. Parliamentary Undersecretary of State for External Affairs  Parliamentary Secretary of Militia and Defence  Parliamentary Secretary of Soldiers' Civil Re-establishment  Solicitor General of Canada