Why are there some people who speak Minnan dialect in Wenzhou? When did you move there and why?

Fujian has a large population, seven mountains, one water and two fields, and there is not enough food and land. In order to make money, everyone went out to work hard and brought their hometown dialect. Fujian people have fighting spirit, which is generally called southern Zhejiang in Minnan dialect. History: In the late Ming and early Qing Dynasties, a large number of Minnan people (mainly Longxi, Haicheng, Zhangpu, Anxi, Hui 'an and Tongan) migrated to Cangnan, Pingyang and Yuhuan in southern Zhejiang.