The correct answer to this open question is the following.
Although there are no options attached, we can say the following.
Jethro's views on war change during the course of the novel in that when he is young, Jethro has a simple or "silly" image of what war is: soldiers, riffles, marches, but he cannot imagine the real pain and suffering of the battlefield.
After his father had a heart attack, he has to come of age quickly and see the world differently. Due to the fact that he is not fighting in the war -as their family members do- he hears terrible things that happen on the battlefield, and he suffers. That also makes him change and mature.
Many people he knows are dying in combat. And he has to wait for the news to know if their beloved ones are still alive or they just passed away.
American writer Irene Hunt is the author of the Civil War novel "Across Five April's," published in 1964.
