The social reformer known as ‘Periyar’ founded the:

Dravidar Kazhagam
Justice Party
All India Anna Dravida Munnetra Kazhagam (AIADMK)
Desiya Murpokku Dravida Kazhagam (DMDK)

The correct answer is: Dravidar Kazhagam.

Periyar E.V. Ramasamy was a social reformer and politician who founded the Dravidar Kazhagam (DK) in 1944. The DK was a political party that advocated for the rights of the Dravidian people in India. The DK was also a social reform movement that campaigned against caste discrimination, untouchability, and religious orthodoxy.

The Justice Party was a political party that was founded in 1916. The Justice Party was a secular party that advocated for the rights of the non-Brahmin castes in India. The Justice Party was also a social reform movement that campaigned against caste discrimination and untouchability.

The All India Anna Dravida Munnetra Kazhagam (AIADMK) is a political party that was founded in 1972. The AIADMK is a regional party that is based in the state of Tamil Nadu. The AIADMK is a Dravidian party that advocates for the rights of the Dravidian people in India.

The Desiya Murpokku Dravida Kazhagam (DMDK) is a political party that was founded in 2001. The DMDK is a regional party that is based in the state of Tamil Nadu. The DMDK is a Dravidian party that advocates for the rights of the Dravidian people in India.

Periyar was a controversial figure, but he was also a highly respected leader. He is considered to be one of the most important figures in the history of the Dravidian movement.