Answer:
The answer is A, Jerusalem's importance as the city where three religious faiths and three continents converge.
Explanation:
It is said that Judaism, Christianity and Islamism all has had their events originating from Jerusalem. The events that have happened in their holy books all have happened at this holy land but is set in different time periods and persepectives on who is the "messiah". Thus Jerusalem is where these faiths converge.
Hope this helped as this is my first answer ever :)
1. weakened Persian and Byzantine rule
2. effective fighting methods.
