Canada<span> was part of the British Empire in 1914. As a result of this, when Great Britain declared war on Germany in August 1914, </span>Canada<span> was automatically at war. Along with other nations in the Empire, such as Australia and India, tens of thousands of </span>Canadians joined<span> the army in the first few months of the war.</span>
During the Congress of Vienna, the great powers of Europe (Great Britain, Austria, Prussia, and Russia) guaranteed each other's independence by ensuring that no one country could dominate the continent.
