Complex sentence: In the first fifty years of their presence in Wa territory the Hui Muslim settlers gradually extended their influence from Panglong over their Wa neighbours, which allowed them to enjoy a great measure of autonomy.
Split into simpler sentences: In the first fifty years of their presence in Wa territory the Hui Muslim settlers gradually extended their influence from Panglong over their Wa neighbours. This growth in prestige allowed them to enjoy a great measure of autonomy.