Final answer:
Adoption of Western clothing styles is an example of how IsiNdebele cultural identity has been influenced by Western beliefs. Therefore, the correct option is A. Adoption of Western clothing styles.
Step-by-step explanation:
An example of how IsiNdebele cultural identity has been influenced by Western beliefs is A. Adoption of Western clothing styles. When members of IsiNdebele society adopt Western clothing styles, such as jeans and t-shirts, it shows an influence of Western culture on their traditional attire. This adoption of Western clothing can be seen as a way of incorporating Western beliefs and fashion trends into their cultural identity.