In Canada, this is a big deal. You could argue that Canada's participation (and bloody losses) in WW1 and WW2 unified Canada into a nation, beyond the welfare

In Canada, this is a big deal. You could argue that Canada's participation (and bloody losses) in WW1 and WW2 unified Canada into a nation, beyond the welfare subsidies that made confederation. Britain very heavily relied on its colonies during those wars, even more than is commonly known. Besides personnel, Canada built several airstrips to train pilots from multiple countries.