Google states, "A topographer is a specific type of cartographer. Topographers use contour lines to create 2-dimensional representations indicating the 3-dimensional aspects of portions of the earth's surface. Increasingly, these maps may be created digitally as well as on paper."
In simpler terms, a topographer surveys land and created representations of it.
D) less socially stratified
The contract is likely to be voidable because it was formed
as a result of undue influence. Undue influence is being defined as an
individual’s way of influencing others by means of having them to induced them
rather than using their own free will or they are influenced without their full
attention that can lead to certain consequences.
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.