Mark has a crush on Christina but is not allowed to date yet. So, he decides to join the same after-school clubs as Christina. Which part of his personality, according to Freud, helped him make this decision and balance his desires with what is allowed?

Ego is the part of his personality that helped him make the decision and balance his desires.

The Identity, Ego and Superego are the three elements of personality according to Freudian "Psychoanalytic theory of personality".

Ego is the second element of the psychoanalytic theory and its creates a balance between the demands of id and superego by exercising practicality in the context of reality.

Here, Mark has a crush on Christina and instead of following the his instincts, he rather joined the same after-school clubs as Christina.

So, the correct answer is ego.

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Ego

Explanation:

The Freudian "Psychoanalytic theory of personality" defines three elements that make a personality. They are id, ego, and superego.

In the given case, the personality element that has been depicted of Mark is ego. The ego is the second element of the psychoanalytic theory of personality. It is the personality element that creates a balance between the demands of id (instant gratification) and superego (morals and social rules) by exercising practicality in the context of reality.

In the given case, Mark has a crush on Christina and instead of following the instincts of id (having it right now), he exercises practicality in the context of reality by joining the same after-school clubs as Christina.

So, the correct answer is ego.

c. reserves power to the states and people