Final answer:
The arrival of Islam in South and Southeast Asia led to cultural and religious changes and the integration of Islamic elements into local societies.
Step-by-step explanation:
The arrival of Islam in South and Southeast Asia had a significant impact on the indigenous populations. It led to cultural and religious changes and the integration of Islamic elements into local societies. Many indigenous peoples, including rulers and merchants, converted to Islam for various reasons such as trade opportunities, protection, and social status. For example, Islamic rulers in India integrated Hindu symbolism and motifs into their mosques, while Sufi missionaries in Southeast Asia blended Islam with local religious traditions.