When a government decides to limit the number lod goods that can be sold to another nation that government is creating

It would be a trade policy.

Trade policy pertains to the regulations and agreements that control imports and exports to foreign countries. These policies are distinct in every country and are constructed by its public officials. It is to expand the nation's international trade.

Americans often speak of their country as one of several large regions.  these regions are cultural units rather than governmental units --  formed by history and geography and shaped by the economics, literature and folkways that all the parts of a region share. what makes one region different from another? a region's multicultural heritage as well as distinct demographic characteristics like age and occupation make regions different and special. within several regions, language is used differently and there are strong dialects. there are also differences in outlook and attitude based on geography.