Are you trying to imply that the US doesn’t already do this? They’ve overthrown democratically elected governments all over the latin americas (and other places, like hawaii) and imposed more fascist ones for access to their raw materials. Sure it’s not exactly using loans to do that, but the real end-game is fascism anyways once markets are fully saturated and there are no more ways to generate capital.
Any keyboard that supports qmk should work for this. You can enable mousekeys and there are also functions to toggle layers