How did the PruCan shipping get started?I see it everywhere and I don't remember anything showing that Prussia and Canada even interacted with each other.
I run the Hetalia File Archive. I have no affiliation with Hidekaz Himaruya. If you want to ask him a question, please refer to here: http://hetalia.livejournal.com/1856067.html
You may also search an FAQ here before asking your question: http://hetarchivefaq.tumblr.com/directory