Which claim is the most effective for the argument that learning another language has many advantages

 the question that is being presented above is this one: "Learning another language has many advantages for people, including improved memory and ability to multi-task." The claim that is the most effective for the argument that learning another language has many advantages is that Learning another language has many advantages for people, including improved memory and ability to multi-task. 

The claim that would be most effective would be that learning another language does have many advantages because if you go to another country you would at least be able to understand what the person that speaks the language you are learning