It is unjust to treat people differently in ways that deny to some of them significant social benefits unless we can show that there is a difference between them that is relevant to the differential treatment." this quote supports the principle of

Equality.

Explanation:

The principle of equality represents the symbol of democracy as it indicates fair treatment for citizens. It is essential within constitutional principles, but complex and for its complete understanding it is necessary to understand the cultural and historical context in which it was created. This principle has long been a part of ancient civilizations. Throughout history, it has often been disrespected, assuming a misconception, for friction with the interests of the ruling classes.

This principle states that it is unfair to treat people in different ways, which deny some of them significant social benefits, unless we can show that there is a difference between them that is relevant to differential treatment.

answer; adoption agencies tend to place separated twins in similar homes;

answer; shared meaning;