The ‘Karnataka Vidyavardhaka Sangha’ played a role in promoting:

Nationalist sentiments
Social reform
Communal harmony
Religious revivalism

The correct answer is: A) Nationalist sentiments.

The Karnataka Vidyavardhaka Sangha was an organization founded in 1890 in Bangalore, India. It was a nationalist organization that promoted the use of the Kannada language and culture. The Sangha also played a role in the Indian independence movement.

The other options are incorrect because:

  • Option B is incorrect because the Karnataka Vidyavardhaka Sangha did not promote social reform.
  • Option C is incorrect because the Karnataka Vidyavardhaka Sangha did not promote communal harmony.
  • Option D is incorrect because the Karnataka Vidyavardhaka Sangha did not promote religious revivalism.