They were the biggest so they looked upped to those bigger cities
Answer:
Push: Poverty, religious/political persecution, economic opportunities scarce in homeland. Pull: Available jobs, improvement on the conditions of their homeland.
I hope this helped ☺️
Northern Renaissance Art History, Regions, Style and Characteristics. The Northern Renaissance was a time of great intellectual and spiritual awakening. French, German and Netherlandish painters took leadership in the development of a new style of painting while retaining strong Gothic elements within their art-work.
Google cited