Complex sentence: The Lao trace their linguistic, cultural, and political history to the Kingdom of Lan Xang (1353-1707), but the oral traditions and storytelling of its peoples which are uniquely Lao or follow the traditions of Southeast Asian peoples are much older.
Split into simpler sentences: The Lao trace their linguistic, cultural, and political history to the Kingdom of Lan Xang (1353-1707). The oral traditions and storytelling of its peoples which are uniquely Lao or follow the traditions of Southeast Asian peoples are much older.