Ironically it would be easier, food costs in "first world" are the most expensive, while emerging economies have much more potential to stablize and finally use

Ironically it would be easier, food costs in "first world" are the most expensive, while emerging economies have much more potential to stablize and finally use their local resources to grow "cheap" food. At the same time it also depends on what that local population really is used too - different to compare Asia, South East Asia to Africa.