Canaries and Weavers - Flemish Strangers in Norwich

Here is an article about the Flemish refuges that came to Norwich.  So why did the Flemish migrate to England and Norwich in the eleventh century?  And why were there more immigrants in 16th and 17th century?    What was Strangers Hall used for during these times?  What did they think of our diet?  What were Brabanders   and who was Anthony de Solempne?  Please select the following link to find out more:

https://www.the-low-countries.com/article/the-strangers-in-norwich