The most obvious reason is that one has to pack up and go because things are not so good at home. Long ago, that probably meant that the climate had changed and made life impossible. It might have become too hot or too cold or too wet, which in turn would have affected not only quality of life but also make survival a shaky proposition. Drought, flood, and temperature changes could certainly push people to move on.
I hope that helped a little.
His panic disorder was apparently accompanied by "agoraphobia".
Agoraphobia refers to a kind of nervousness issue in which you fear and keep away from spots or circumstances that may make you frenzy and influence you to feel caught, powerless or humiliated. Individuals with agoraphobia frequently have indications of a fit of anxiety, for example, a quick pulse and queasiness, when they end up in an upsetting circumstance.
Answer:
C. perceptual set.
Explanation:
Perceptual set: The term perceptual set, in psychology, is defined as a group of a person's expectations that form experience by making the person sensitive or responsive to the particular sort of information. The term perceptual set is also referred to as perceptual expectancy. It can occur in each kind of sense and is a susceptibility to discern things in a specific way.
In the question above, the statement given best illustrates the impact of the perceptual set.
Explanation:
USA IS THE DEVELOPING COUNTRY.
IT'S A VERY CLEAN PLACE.