Which cities have the largest Jewish communities in Germany?

EDITORIAL LEARNING AID

Why is this answer correct?

By far the largest Jewish communities in Germany are in Berlin and Munich. Hamburg and Essen (b) as well as Nuremberg and Stuttgart (c) have much smaller communities, and Worms and Speyer (d) are important sites of medieval Judaism but are small today.

Largest Jewish communities: Berlin and Munich.

This translation and explanation are editorial learning aids. The official German wording and answer key govern the examination.