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Austria-Hungary fought with Serbia. As allies of Austria-Hungary, Germany joined the war against Serbia but Serbia allied with Russia. -
The Business Profits War Tax of 1916 and the Personal Income tax of 1917 was introduced by the government to fund the war. -
The War Measures Act was passed, allowing authorities to imprison those who were born in enemy countries in internment camps. -
The government implemented the Military Service Act, making it mandatory for men between 20-45 years of age to enlist in WW1. -
Women earned the right to vote in 1918. -
Germany signed an armistice agreement with the Allies in 1918. -
After the war it became illegal to produce or sell alcohol. -
In 1920 the government amended the Indian Act making it mandatory for all Indigenous children to attend Residential Schools. -
In 1922 Frederick Banting and his colleague Charles Best discovered Insulin. -
In 1929 women were legally included in the definition of 'persons' this gave women the right to be appointed to the Senate of Canada.