The Jews had hoped that Khosrau II would give them all of the Land of Israel in exchange for their support. However they were too few to make this a reality.: For a time they are said to have enjoyed relative dominance in Jerusalem, although it may have been in a state of anarchy.: By 617 CE the Persians had reversed their policy and sided with the Christians over the Jews, probably because of pressure from Mesopotamian Christians in Persia itself.: Further Jewish settlers were banned from settling in or around Jerusalem and a small synagogue on the Temple Mount was also demolished.: Instead of supporting the Jews, Khosrau is said to have imposed heavy taxes on them.: