Option: The Vedas and religious rituals were adopted by other kingdoms.
Explanation:
Hinduism spread in Southeast Asia because of religious rituals attracted in the regions. Many of the kingdoms in Southeast Asia adopted Hindu customs, texts, theologies, and architectural styles. Enormous temples for Lord Shiva and Vishnu built in the Khmer Empire with Hindu traditions. Angkor Wat, under Suryavarman II, was dedicated to Vishnu.
