Question

In what ways is the holy land an important site for all three monotheistic faiths

Answer 1

Islam = THe quran, muhhamad

Chrisitanity: Bible, Jesus

Judaism = Torah, Arbraham, Moses...

Answer 2

If you want more explanation, each religion has the part of the holy land, which for islam, the return of the prophet, judaism, the messiah, and christianity, the return of christ.

Answer 3

Umulas is on the right track. Just to add some additional info to back what he's saying, Jerusalem, has holy shrines that the Jews, Christians, and Muslims hold in very high regard. For example:

For the Jews - the Wailing Wall and the Temple Mount
For the Christians - the Holy Sepulchre
For the Muslims - the Dome of the Rock