Which of the following statements accurately describes the contributions of Raja Ram Mohan Roy to social reform in 19th-century India?

1. He established the Brahmo Samaj in 1828 to promote monotheism and challenge idol worship.
2. He played a crucial role in the abolition of the practice of sati through his writings and advocacy.
3. His educational reforms primarily focused on Western-style education for both boys and girls.
4. He opposed the introduction of English as a medium of instruction in Indian schools.

Options: