I would say it would be leadership in driving the convention forward. The convention was first tabled and agreed to in around, I think, the mid-1990s. Certain countries presented some challenging issues with regard to enabling it to come into law, so Canada took the lead in bringing these countries together to try to resolve the issues that were outstanding and came up with an agreement that actually turned into the existing convention. It has had a pretty good reception from other countries across the world.
On February 11th, 2014. See this statement in context.