The correct answer is: A) Promotion of Kannada language.
The Gokak agitation was a movement for the promotion of the Kannada language in Karnataka. It was started in 1981 by the Kannada Sahitya Parishat (Kannada Literary Association) and other Kannada organizations. The agitation was successful in getting the government to pass the Kannada Language Promotion and Implementation Act, 1986, which made Kannada the official language of Karnataka.
The other options are incorrect.
Option B: Land reforms are changes in the way land is owned and used. They are often implemented to improve the lives of farmers and other rural people.
Option C: Separate statehood is the demand for a new state to be created out of an existing state. It is often made by people who feel that their region is not being treated fairly by the government.
Option D: Anti-corruption measures are actions taken to reduce corruption. They can include things like laws against corruption, investigations into corruption, and public awareness campaigns about corruption.