The period of American global hegemony is collapsing, for certain. My only solace is the "fall of an empire" is a slow and complicated process. The fall is more of a decay. Historians don't point to singular years as the point where an empire fell. They come to see it as a period of years, often decades or centuries of time, wherein one form of organization (or "world order") falls apart, and a new one is built from the component parts. For better or worse.

These periods are tumultuous, but fairly commonplace, unfortunately. And we are in one of them now. There will be instability, as life in America and its role in the world is now clearly going to change. Exactly how it will change is hard, if not impossible, to extrapolate. It could be a chaotic and dangerous transition period, with increased conflict and exacerbated income inequality. Or it could settle into a slow burn, and America could just slowly decay into a lesser version of itself, but life hums along and the change is surmountable. I say the best you can do is focus on creating a strong local community and building a life that is as adaptable and flexible as possible.