What was mustafa ataturk's contribution to modern turkey?

a. he breathed new vitality into turkish culture through religious reforms.
b. he began the process of turning turkey into a modernized, secular state.
c. he established a democratic, parliamentary government.
d. he was instrumental in policy changes that gave turkey membership in nato.

I believe the answer is: .B. He began the process of turning Turkey into a modernized, secular state.

At that time, his decisions was considered to be controversial because he was the first president that introduced a secular method of government and bring the industrial development into turkey. The modernization to agricultural production that he introduced to Turkey massively increase the economic growth of the country.

a. poison gas was sprayed over battlefields by airplanes to weaken enemy positions before major attacks.