The period from the end of Kangxi's reign to the beginning of Qianlong's reign in the Qing Dynasty (approximately 1708-1745) covers the aftermath of Kangxi's nine sons' succession to the throne in his later years, the Yongzheng Dynasty's severe purges and aggressive reforms, and the transitional period of Qianlong's first accession to the throne. This was one of the most intense periods of power struggle and the most complex political ecology in the Qing Dynasty.