Quebec alone produces more maple syrup than everywhere else in the world combined, by a wide margin.

I don't know, maybe there's not enough of it?

> Canada supplies the overwhelming majority of U.S. maple-syrup imports.

Nothing, but they don’t make enough. Unless it claims to be 100% Vermont it’s likely blended with Canadian or entirely Canadian maple syrup.

Make it car exports as well. A small 5-10% export fee, so that the premium Americans pay for the cars is distributed between both countries