What are the ideas that help in maintaining social harmony in the community?

Does anyone know the answers for questions 1-4? plz me out if you know

Why does c. wright mills identify critical thinking as one of the most important criteria for the development of intellectual craftsmanship? why is constantly being aware of the biased nature of your reactions and interactions (what c. wright mills calls self-reflexive) key to the development of that critical thinking? finally, why is keeping a file important, how can it lean to intellectual curiosity which can foster critical thinking and to develop a keen analytical mind?

What strategies did the writers/producers use to differentiate between tonto and the characters if the dominant culture?