I'm not sure but i think it would be B.
The correct answer is letter C.
Margaret Mead was a cultural anthropologist and used to write about controversial subjects such as attitudes towards sex. In 1935 she wrote a book called<em> Sex and Temperament in Three Primitive Societies</em> that later became a classic study of cultural variation.
Answer:
<em>C. It led to concerns regarding the dangers of greenhouse gases.</em>
It is containment. .........................................