Still depends on who's in charge of various nations though. What if no other nation in the world had nukes apart from Russia? Do you think Putin would of stopped at annexing part of Ukraine? He pushed things as far as he knew he could get away with, mainly because he knew the west had no stomach for a conventional military confrontation but also because there was a far bigger deterrent out there. They're evil, disgusting weapons, I agree, but unfortunately we've unlocked pandora's box & i can't ever see a day where the world's super powers abandon them completely. Even if we got rid of ours we'd still be a target through our affiliation with the U.S.