the list i gave you

This is your original question.

Central asia
Complete the following:
Describe what influence the former invaders of this region brought into the regions culture.
a. Turkic
b. Arabs
c. Mongols under Genghis Khan
D. Mongols under Timur
e. Russians
f. Soviet

Your book is by far the best source of this information. I could give you several websites with that information, but your book is much more concise and easier to read. Besides, your teacher wants the information from your book.