Original sentence: As a result of geographic proximity, the Khmer language has influenced, and also been influenced by; Thai, Lao, Vietnamese and Cham many of which all form a pseudo-sprachbund in peninsular Southeast Asia, since most contain high levels of Sanskrit and Pali influences
Edited sentence: As a result of geographic proximity, the Khmer language has influenced Thai, Lao, Vietnamese and Cham many of which all form a pseudo-sprachbund in peninsular Southeast Asia, since most contain high levels of Sanskrit and Pali influences