e-n-e-m-y (part 2)

continuation of my previous post.
read my previous post first, before this.

Theory

The concept of the enemy is well covered in the field of peace studies, which is available as a major at many major universities (including a somewhat well-known program of study at American University in Washington, D.C.).
In Peace studies, enemies are those entities who are perceived as frustrating or preventing achievement of a goal. The enemy may not even know they are being regarded as such, since the concept is one-sided.
Thus, in order to achieve peace, one must eliminate the enemy. This can be achieved by either by:
changing one's perception of an entity as enemy, or
by achieving the goal the enemy is frustrating.
Personal conflicts are frequently either unexamined (one's goals are not well defined) or examined only from one point of view. This means it is often possible to resolve conflict (to 'eliminate' the enemy) by redefining goals such that the frustration (not the person) is either eliminated, obvious, negotiated away, or decided upon.

Quotes:

The enemy of my enemy is my friend. -Arab proverb