Answer:
The answer to the question: Each person has a unique perspective that influences the way he or she sees the world. What is this called?, would be: a personal perspective.
Explanation:
A personal perspective is defined as the unique way in which an individual sees, interprets and react to a specific situation, or event, or even a person, depending on several factors that influences him/her. The personal, historical, social, cultural and educational backgrounds all play a role in the way that a person views something and reacts to it, but this reaction will be absolutely unique to the person, because it depends on the personal views, or personal perspective, of the individual.
