Conflicting ideologies, depression, division of cultural groups, invasion of Poland
Answer:
After the Siege of Jerusalem (70 CE), hundreds of thousands of Jews were taken as slaves to Rome, where they later immigrated to other European lands. The Jews who immigrated to Iberia, and their descendants comprise the Sephardic Jews, while those who immigrated to the German Rhineland and France comprise the Ashkenazi Jews. European Jews were specialized within the economy as artisans, merchants, and money-lenders.
Implied powers are political powers granted to the United States government that aren't explicitly stated in the Constitution. They're implied to be granted because similar powers have set a precedent. These implied powers are necessary for the function of any given governing body.