Complex sentence: The various Lao kingdoms were closely associated with Lannathai and even Siam, a legacy depicted in the shared culture, with much adoption from the local Mon-Khmer tribes that preceded Tai settlement, whose commonalities are still visible today.
Split into simpler sentences: The various Lao kingdoms were closely associated with Lannathai and even Siam, a legacy depicted in the shared culture. There was much adoption from the local Mon-Khmer tribes that preceded Tai settlement, and commonalities with these groups are still visible today.