What tools do “sovereign” nations have that could solve this problem? Can’t be tariffs, which are a tool to enrich the few while making the rest poorer. Maybe

What tools do “sovereign” nations have that could solve this problem? Can’t be tariffs, which are a tool to enrich the few while making the rest poorer. Maybe poorer people can’t afford the same levels of food quality as richer peoples, and the only solution is to grow your GDP faster, which membership in EU seems to enable.