Final answer:
The correct response is b) a way to prevent communities from adapting to the world around them, as this is not considered a main purpose of religion in sociological studies. Religion typically promotes social order, context for experiences, social cohesion, and control over the unexplainable.
Step-by-step explanation:
The aspect that is not a main purpose of religion discussed in class or textbooks is b) a way to prevent communities from adapting to the world around them. The mainstream purposes of religion in a sociological context typically include establishing social order, providing context for daily experiences, controlling aspects of the unexplainable, and fostering social cohesion and social control. These functions are essential as they help in maintaining cultural norms, offering social support, and creating a shared sense of belonging.