Where did Jewish people spread their religion after they were expelled from Judea?

Across the Mediterranean

Explanation:

After the destruction of the Temple of Herod in Jerusalem in 70 AD. the major centers of the Jewish faith at that time were Egypt, Spain, Italy, France, Macedonia, Babylonia, Cyprus. Jewish municipalities in that period were also could in Crete, Pannonia, Armenia, Carthage in Africa and in the German cities of Cologne and Bonn. In the Middle Ages, the Jewish people entered as the only Old World people with preserved tradition and language.