Which of the following factors can help promote positive mental health amongst different cultural groups?

a) Increasing economic disparities and focusing solely on biomedical treatments without considering cultural contexts.

b) Reducing access to social support networks and community resources that are culturally relevant.

c) Providing culturally competent health services, including respect for diverse values, beliefs, and needs.

d) Limiting educational and awareness programs about mental health to only one cultural perspective and language.