Answer: They were being treated poorly by others.
Explanation: In much of Europe during the Middle Ages, Jews were denied citizenship and its rights, barred from holding posts in government and the military, and excluded from membership in guilds and the professions.
Jewish people migrated to the urban areas due to the poor treatment by others with them.
During the year between 1100 and 1600, Jewish people faced a lot of problem related to the social, economical and religious conditions.
They were restricted to the citizenships and their rights, even they were restricted to the government.
Jewish people decided to move to the Europe for the better opportunities.
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