I recently had this lesson and quiz, even though you didn't provide the answers, i'll answer it with the answer that I found was correct.
A) It was a breakthrough in his research.
Hope this helps!~
Hey there!
President Wilson said that going to war is not about emotions but about how you are going to defend the nation.
A hero is also known for hope and justice for the world
The answer is foreshadowing.
Foreshadowing is a literary technique used to suggest that a series of events may occur in the development of the story.
In this excerpt from "Huckleberry Finn," Huck refers to the forgery of the King and Duke. He has realized that they are not really royals - they are indeed impostors. However, he decides not to tell anybody that he has doubts about them because he does not want to get into trouble.