I would add that social acceptability of the defence industry and defence product is also undergoing a lot of swings in public opinion. That also would have an effect, oftentimes because the misunderstanding of the types of systems that Canada sells abroad for military and defence applications.
Evidence of meeting #32 for Foreign Affairs and International Development in the 43rd Parliament, 2nd Session. (The original version is on Parliament’s site, as are the minutes.) The winning word was permits.
A video is available from Parliament.