Complex sentence: After knowing that the rebellion was breaking out in their country; the eight rulers raised their own army and aimed at massacring and displacing people of Shan-Mokwan dulers were defeated in every village by the rebels.
Split into simpler sentences: After knowing that the rebellion was breaking out in their country; the eight rulers raised their own army and aimed at massacring and displacing people of Shan-Mokwan descent. The army of eight rulers were defeated in every village by the rebels.