Nothing. They won it from the Fatimids who were also an Islamic Dynasty. During this period, the Holy Land was a backwater region and was generally neglected.
The first crusades began when the Seljuk Turks Conquered Constantinople.
Seljuk Turks conquered Anatolia after their success at the Battle of Manzikert in 1078 CE.
The Ottoman Dynasty eventually conquered the empire established by the Seljuk Turks
The Crusades were fought primarily between Christians from Western Europe and Muslims in the Holy Land, particularly the Seljuk Turks and later the Mamluks.
The Crusaders' main foes were the Muslim forces in the Holy Land, particularly the Seljuk Turks and later the Mamluks. These Muslim armies were defending their territories against the European Crusader incursions.
they were a tribe from the tartars
True
Muslim
The Seljuk Turks
no
The Seljuk Turks.