Lots of common main ingredients like potatoes, beets, cabbage, and sausages. It could also have a different reason, like https://en.wikipedia.org/wiki/Former_ea

Lots of common main ingredients like potatoes, beets, cabbage, and sausages. It could also have a different reason, like https://en.wikipedia.org/wiki/Former_eastern_territories_of_Germany https://en.wikipedia.org/wiki/Former_eastern_territories_of_...