Answer:
True.
Step-by-step explanation:
In July, the year 2015, a publication titled "Diversity, Oppression, and Change" was written by Flavio Francisco Marsiglia and Stephen Kulis. The publication is more about "culturally grounded social work" that is in, the book tries to explain the factors affecting or that has affected some societies and how a social worker can make use of this history to give a solution that will be bring a great change socially to this communities. In order to to this THEORIES need to formulated for the analysis.
Just like it is written in the question above,THEORIES are then used ''to justify privileges for some members of society and the oppression of others".