Which of the Following Was an Important Consequence of the Expansion

Which of the following was an important consequence of the expansion of Turkic peoples throughout Afroeurasia?

A) Turkic peoples readily converted to the religion of the lands they invaded and conquered, and as a result, they became an increasingly diverse group.
B) The use of infantry again flourished across Afroeurasia as people witnessed the tremendous military victories infantry brought to Turkic clans.
C) As Turkic peoples spread across Afroeurasia, they lost much of their cultural distinctiveness and rapidly disappeared as an identifiable group.
D) Turkic conquests resulted in an even greater spread of Islam.