| Canada’s 
armed forces grew rapidly. In September 
1939 alone, over 58,000 Canadians enlisted. 
By December, the first Canadian troops 
were on their way to Britain. Three years 
later, the First Canadian Army formed 
the heart of Canada’s 250,000-strong 
overseas commitment. Ottawa also placed 
its navy at Britain’s disposal 
and sent two fighter squadrons to Britain 
before the end of 1940. Many others would 
follow. At 
first, it seemed almost a lost cause. 
By June 1940, Germany had defeated France 
and occupied most of western Europe. 
Italy also entered the war on Germany’s 
side, forming the ‘Axis’ 
alliance. Its allies in Europe defeated, 
Britain was suddenly threatened with 
invasion. For a full year, until Germany 
attacked the Soviet Union in June 1941, 
Canada was Britain’s principal 
remaining ally in the struggle against 
tyranny. See also :Canadian
Newspapers and the Second World War : The Invasion Threat to Britain and
the Battle of Britain, 1940
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