Using the universalization concept to facilitate finding a solution.

It has happened that problems arise between groups of people who have dissimilar interests and motivations. The Universalization concept can be used to facilitate these groups to find solutions to difficult problems. 

How would you apply the universalization concept to help people with conflicting ideas seek solutions for ONE of the following topics:

(We are not looking for a solution, but rather how to use the concept to help people work together,) (100 - 150 words)

Boundary Conflicts

Political Conflicts

Immigration Crises