Answer: the Humanistic Existential Approach
Explanation: The Humanistic Existential Approach to psychology focuses on the freedom and responsibility we have as humans. When used as a therapeutic method, it aims to understand the client’s unique experiences rather than group them into a bracket defined by pathology. It makes the client aware of the options available to them and aims to develop the self.  
The Humanistic Existential Approach is based on the humanistic approach which believes in viewing the human nature in a positive light and it therefore also emphasizes positive and healthy relationships.
 
        
             
        
        
        
In a feudal system, a peasant or worker known as a vassal received a piece of land in return for serving a lord or king, especially during times of war. Vassals were expected to perform various duties in exchange for their own fiefs, or areas of land.
 
        
             
        
        
        
D. the point of  religion was to get them to believe it was the only religion
 
        
                    
             
        
        
        
Answer:
B) foot-in-the-door
Explanation:
Foot-in-the-door technique: In psychology, the foot-in-the-door techniques is referred to as a technique in which an individual agrees to the person for a smaller request to convince the same person with a big request later on.
Example: I<em>n the question above, a person has been asked for some charity amount and the person helped with $5, then the next time after a month the person receives another request for the charity amount of $10, along with numerous other charities to contribute to. Hence, in this scenario, the person is facing or may be considered as a victim of the foot-in-the-door technique.</em>