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.
The correct answer in the missing blank is known as "separation".
The six degrees of separation is known as a theory in social networking wherein it states that a person can be connected anyone in the world, no matter how far, through a process of acquaintances, which possesses not more than five mediums.
The answer is B Conquest and disease brought by europeans changed the native american way of life forever.
Answer: Option (A)
Explanation:
An internal monologue which is also referred to as self-talk or the inner speech, is defined as an individual's inner voice that tends to provide a in moment verbal monologue made up of their thoughts while they still tend to be conscious. At times it is mostly tied to an individual's sense of self. Also it is known to be particularly vital for problem solving, planning, self-image, self-reflection, emotions, critical thinking, and also sub-vocalization.