Complex sentence: Oriya navigators were instrumental in spreading Buddhism and Hinduism in East and South East Asia, as well as Indian architecture, epics such as the Ramayana and the Mahabharata, Indic writing and Sanskrit loan words in many Indo-Chinese languages such as Khmer and Bahasa.
Split into simpler sentences: Oriya navigators were instrumental in spreading Buddhism and Hinduism in East and South East Asia. In addition, they disseminated knowledge of Indian architecture, epics such as the Ramayana and the Mahabharata, Indic writing and Sanskrit loan words in many Indo-Chinese languages such as Khmer and Bahasa.