Cultural factors have a greater impact on their sense of national identity because they are at the stage of value formation, when education and media content have a direct impact on them. ... Media content has little influence on their national identity, but social or economic status have a marked influence.
The experiments revealed about a dopamine related reward pathway in humans is that the stimulated patients can become calmer and experience pleasure and reward deficiency syndrome. The stimulated patients can become calmer and he can experience pleasure and reward deficiency syndrome.
Your answer is (A),the tenth century
Hope this helps!
