The answer is a delusion.
Robert is exhibiting delusion due to his depressive disorder. A delusion is a kind or characteristically a symptom of mental disorder which made a person having a distinctive belief or impression that is positively maintained despite being opposed by what is generally accepted as reality or logical argument just like what Robert portrays.
True. A central sociological principle is that a nation's education system reflects its culture.
The way kids learn in school is directly related to their upbringing. Since each culture varies, there is reason to believe that the way each child learns, is taught and what they are taught about will vary too. Cultures differ with what is important to them and by ranking whats important, those importances are taught.
Liberty or Lègalitè is French for liberty. The US got lady liberty from France believe it or not!