Which social reformer and educator, often called the 'Maker of Modern India', founded the Brahmo Samaj and campaigned against sati, child marriage, and the caste system in the early 19th century?

• A Dayananda Saraswati
• B Ishwar Chandra Vidyasagar
• C Raja Ram Mohan Roy ✓
• D Jyotirao Phule

Raja Ram Mohan Roy (1772-1833) was a key figure of the Bengal Renaissance who founded the Brahmo Samaj and successfully campaigned for the abolition of sati.