Is There a Natural Cycle, a Law of Undulation?

If i did not have the ability to weaken my currency, would my economy become so strong that another country can come undermine me? Or is there a natural cycle, a law of undulation that happens no matter what? Yes, yes, there should be. So china debase their currency because china cheats economically at every turn? Yes. Everybody else cleans thing out. Things up, regarding climate, because we have data in front of us that suggests that, oh, we should change some of our practices. India and china, they're not getting that done. Oh, look how cheap we can make these things. We ad but we'reall playned by these other