I had to answer the same questions.
This is what I got! (Please reword it)
Hope this helps!
Answer:
A
Explanation:
That when an international written agreement made the sale and importation of ivory illegal. The definition fits into the sentence
I think that the answer is C.
I might be wrong.
Answer: In his lifetime, Ralph Waldo Emerson became the most widely known man of letters in America, establishing himself as a prolific poet, essayist, popular lecturer, and an advocate of social reforms who was nevertheless suspicious of reform and reformers.
Explanation: