Complex sentence: By the end of 14th Century, the Jewish community had grown large enough to establish a new synagogue, where the Jews participated in the service, conducted business, swore judicial oaths and heard proclaimations from the emperor or the town council.
Split into simpler sentences: By the end of 14th Century, the Jewish community had grown large enough to establish a new synagogue. In it the Jews participated in the service, but also conducted business, swore judicial oaths and heard proclaimations from the emperor or the town council.