Answer:
Social structure
Explanation:
Social structure is the stable arrangement of institutions whereby human beings in a society interact and live together.
According to Maslow's need hierarchy, you have to satisfy the lowest tier of the hierarchy first before you are motivated to accomplish the higher tiers. These tiers, starting from the lowest, are physiological needs (food, shelter,etc.), safety needs, belongingness and love needs (relationships, friends and family), esteem needs (accomplishments) and self-actualization (reaching full potential). This is problematic for Vincent because he hasn't satisfied the lower 2 tiers yet.
Article IV grants powers to federal government while limiting the powers of the states.
Freud's theory on the personality structure is too idealistic and very observatory. Because of this, other scientists could not set up tests to prove his theory. Scientists counter check each other's work so as to come up with legitimate discoveries and to improve how people see things. The answer is letter A.