The correct answer is c) Opposition to illegal immigration.
The Assam Agitation was a major movement that took place in Assam, India, from 1979 to 1985. The movement was primarily focused on opposing illegal immigration from Bangladesh into Assam. The agitators believed that the illegal immigrants were taking away jobs, land, and other resources from the indigenous people of Assam. The movement also demanded that the government take steps to stop illegal immigration.
The Assam Agitation was a major turning point in the history of Assam. It led to the signing of the Assam Accord in 1985, which granted certain safeguards to the indigenous people of Assam. The agitation also led to the amendment of the Indian Constitution to make it more difficult for illegal immigrants to obtain Indian citizenship.
The Assam Agitation was a long and difficult struggle, but it ultimately achieved its goals. The movement helped to protect the rights of the indigenous people of Assam and to stop illegal immigration into the state.
The other options are incorrect because they do not accurately reflect the primary focus of the Assam Agitation. Option a) is incorrect because the Assam Agitation was not primarily focused on protecting language and culture. Option b) is incorrect because the Assam Agitation did not demand a separate state. Option d) is incorrect because the Assam Agitation was not primarily focused on economic and social justice.