Canadian Prime Minister Robert Borden no relation aspect of history
The military history of Canada during World War I 
began on August 4, 1914, when the United Kingdom entered the First World War (1914–1918) by declaring war on Germany. The British declaration of war automatically brought Canada into the war, because of Canada's legal status as a British Dominion which left foreign policy decisions in the hands of the British parliament. However, the Canadian government had the freedom to determine the country's level of involvement in the war. On August 4, 1914, the Governor General declared a war between Canada and Germany. The Militia was not mobilized and instead an independent Canadian Expeditionary Force was raised.Canada's sacrifices and contributions to the Great War changed its history and enabled it to become more independent, while also opening a deep rift between the French and English speaking populations. For the first time in Canadian military history, Canadian forces fought as a distinct unit, first under a British commander but ultimately under a Canadian-born commander. The highpoints of Canadian military achievement during the Great War came during the Somme, Vimy, and Passchendaele battles and what later became known as "Canada's Hundred Days". Canada's total casualties stood at the end of the war at 67,000 killed and 173,000 wounded, out of an expeditionary force of 620,000 people mobilized (39 per cent of mobilized were casualties).Canadians of British descent—the majority—gave widespread support arguing that Canadians had a duty to fight on behalf of their Motherland. Indeed, Sir Wilfrid Laurier, although French-Canadian,  spoke for the majority of English-Canadians when he proclaimed: "It is our duty to let Great Britain know and to let the friends and foes of Great Britain know that there is in Canada but one mind and one heart and that all Canadians are behind the Mother Country." However this did not stop Laurier along with Henri Bourassa from leading the opposition to conscription three years later in 1917. Canadian Prime Minister Robert Borden offered assistance to Great Britain, which was quickly accepted.Home Front
Conscription
The underlying tension between French and British Canada exploded during World War I. Prior to the war, the French Canadians did not see themselves obliged to serve the British interests. The issue reached its zenith when Canadian Prime Minister Robert Borden introduced the Canadian Military Service Act of 1917. Although some farmers and factory workers opposed the legislation, it was in Quebec, where conscription was most vociferously denounced. Leading the campaign against conscription was Quebec nationalist Henri Bourassa and Sir Wilfrid Laurier who argued that the war pitted Canadians against each other. In the subsequent election, Robert Borden was able to convince enough English-speaking Liberals to vote for his party. In the Canadian Federal Election of 1917, the Union government won 153 seats, nearly all from English Canada. The Liberals won 82 seats. Although the Union government won a large majority of seats, the Union government won only 3 seats in Quebec.
Of the 120,000 conscripts raised in the war, only 47,000 were actually sent overseas. Despite this, the rift between French- and English-speaking Canadians was indelible and would last for many years to come.
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