No conflicts between Islamic group. So, it is nonsense to say which group is the strongest.
Islamic Group in Kurdistan was created in 2001.
Perhaps one of the strongest forms of expression is definitely architecture. I have much reason in that.
Billie the Kidd's organization. KKK
sakon(ukon) were the strongest of the four, but when the group was five, kimimaro was the strongest
Lithium hydroxide is the strongest alkali in the alkali metal group.
It depends on the Islamic Empire in question. Assuming that you are talking about the Abbassid Caliphate (which is most commonly referred to as "the Islamic Empire"), the group that brought them down was the MONGOLS.
Abbasid.
Shiite
Islamic
The term dominant is used to describe the animal in a group that is the largest strongest or has the highest status.
An Islamic Religious Brotherhood.
Shia