When people attempt to bolster their self-esteem by forming an imaginary or real alliance with some person or group, they are using

A) regression.
B) displacement.
C) identification.
D) rationalisation.

Identification

The process of associating oneself with certain characteristics of another person, group, or idea, often as a role model or for the sake of establishing one's identity.

Self-Esteem

An individual's overall subjective evaluation of their own worth or value.

Alliance

A union or association formed for mutual benefit, especially between countries or organizations.