Let's talk about "because" and "due to."
They can be parts of culture due to the fact that they are capable...
They can be parts of culture because they are capable...
So do this:
Rituals and ceremonies are indispensable parts of a culture due to the fact that they are capable of ...
because they are capable of providing a kind of identity and recognition.
Without them, a culture will be greatly weakened, and people's identity will be diminished.
They are not roles. They play roles. For example, Harrison Ford played the role of the president in a film called Air Force One.
To sum up, rituals and ceremonies play important roles in a culture or a
Great job! Now you can make it even better by writing a little about whether or not culture is a good thing. Is culture beneficial, or is it better for each generation to create a new society?