Assignment #23: Canada and China

First off, canada is 1st world country compared to chinas 3rd world.
Second is in canada we are able to have as many children we want, but in china you can only have one.
Now third is that china is a larger producing country than canada, in terms of loads of things such as clothes, electronics and what not.
So one thing i wonder is why chinas such a largge producing country when its smaller than any other larger country such as,, Canada?