All of the above. Eating to much sugar for example will store as fat and affect weight., not one food group can supply all the vitamins and nutrients you need.
The word that best fits the statement is "imperialism." In order to justify imperialism, ethnocentrism against the whites is used. By definition, ethnocentrism is an act of judging one culture to another just by basing the judgement on the standards that one culture has.
I think it is the third one