12. Within the Islamic Empire, the Turkic people
A. were completely integrated into the Arabic world.
B. were mainly concerned with trade and commerce.
C. acted as a powerful military shield.
D. were educated people who administered the realm.
c seems correct -- can someone check
C. is not correct.
ok then it must be (a) the way they word everything makes it confusing
I don't think that's the answer, either. What does your book say?
This site will also help you.
http://en.wikipedia.org/wiki/Turkic_peoples#Islamic_empires