Jerusalem's Geography Represents a Particularly Difficult Religious Conflict to Resolve

Jerusalem's geography represents a particularly difficult religious conflict to resolve because

A) sacred sites to Jews and Muslims are literally built one on top the other.
B) the population of Jerusalem is majority Christian but surrounded by majority Jewish and Muslim populations on either side.
C) the Israeli government has separated the most sacred sites with a massive concrete wall.
D) Israel captured the Sinai peninsula from Egypt.
E) Jews and Muslims have never co-existed peacefully.