Reworded; is it clearer now? (I guess if I'm implying anything, it's that supernational arrangements are not only difficult from the normal entropic point of v

Reworded; is it clearer now? (I guess if I'm implying anything, it's that supernational arrangements are not only difficult from the normal entropic point of view; they've also proven difficult because some people are hostile to them: at times even violently hostile)