Question

what forced turkish nomadic pastoralists out of central asia in the late eleventh and early twelfth centuries?

Answer 1

It's the Han people, or China, the Turks who lived in Central Asia in the 11th and 12th centuries were called Xiongnus, who were defeated in a battle with the Xiongnus, the mainstream Chinese people, and were pushed back to the Anatolian Peninsula and formed what is now the Turks