The sacred law of Islam is the Shariah law which has been compiled with reference and guidance form the Holy Quran and Hadith
The Shariah.
It is Islam religion.
No the sacred book of Islam is called The Holy Qur'an
Muhammad was the founder of Islam and the proclaimer of the QurΚΎΔn, Islam's sacred scripture.
yes
The revelations from Allah were collected and formed the Quran, the sacred text of Islam.
yes i think that the main sacred writing of Islam allow ploygamy
Yes, Jerusalem one of Islam's holiest cities.
Hajj provides almost all sacred experiences of Islam.
What is sacred to both are the Torah, Psalms, and the Old City of Jerusalem.
Islam's most sacred cities of Mecca and Medinah are in the Kingdom of Saudi Arabia.
Al-Qur'an is the sacred book of Islam, which is very important
They don't. That is Islam.
No number in Islam is sacred. However, some number may have some special meanings as number one that points to the God oneness.