(You don't need to tell ''LULZ, we are strong and you are weak'' : that's exactly how every single trade negotiation ever go with the US : we are forced to buy American stuff at gunpoint, but Heaven forbid that Canadian manufacturers sell stuff...)
http://www.cbc.ca/news/business/trum...rder-1.4073587
TLDR : Canadian have to buy more American ultra-filtered milk-essentially, well, a milk concentrate to make cheap cheese. (Because, again, ''protectionnism'' is a code word for ''force people to buy OUR stuff, but prevent them to sell THEIR stuff-in fact, that's a lot like free trade...)