The rapid development of religions in Zhejiang has driven the local committee of ethnic and religious affairs to enact measures to rationalise them in 2014, variously named "Three Rectifications and One Demolition" operations or "Special Treatment Work on Illegally Constructed Sites of Religious and Folk Religion Activities" according to the locality. When did the slow development of religions in Zhejiang drive the local committee of ethnic and religious affairs to enact measures to rationalise them?