Final answer:
In 2005, representatives from wine regions in the US and the EU signed a declaration and accord to protect wine place and origin. The ban imposed by the accord is on the misuse of place names by marketers of wine products that do not originate in those places.
Step-by-step explanation:
The subject of this question is Social Studies, specifically about the joint declaration and wine accord signed between the United States and the EU in 2005 to protect wine place and origin. The question asks about the ban imposed by the accord, which is the misuse of place names by marketers of wine products that do not originate in those places. This ban prevents wine producers from falsely claiming that their wine comes from specific regions or countries, protecting the integrity and reputation of wine regions.