Canada/UAE isn't likely to defend him because they're on a very friendly political agreement.
Another form of currencies are guns, weapons and to distribute it out to gain friendship, sway on policies, and to back up one another if war should break out. It used as a tool for loyalty beyond the USD. You can feel free to disagree, everyone has so far.
it goes deeper then BTC, but that's just my 2 sats, and yes to create fear.