 
 <prompt> Wetin be di main defense network wey dem use? Given di previous question, write a context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: E dey hard to control di "Mandate of Heaven". China get plenty land wey make dem get only small banner troops to dey garrison important cities wey dey form defense network wey rely well well on surrendered Ming soldiers. Three surrendered Ming generals come out well well for their work for the establishment of Qing dynasty, dem come make dem feudal princes (藩王), and dem come give dem governorships over big big territories for Southern China. Wu Sangui na di main one wey dem give Yunnan and Guizhou provinces, while generals Shang Kexi and Geng Jingzhong get Guangdong and Fujian provinces respectively. 