Answer:
What do you mean by "Grandpa who answers"
Explanation:
Because no matter how much our environment has changed throughout the years, the core Biological instinct that makes us human is still pretty much the same.
for example, back then in order to eliminate our competition, most of us picked up our weapon and kill them. Now, we formulate strategies to make them goes bankrupt and out of business.
The method is different but the principle is still the same.
Answer: The trauma of the war caused his perspective to change.
Explanation: Before the war, Frederic Henry was very immature compared to Catherine, but after the war he had become very traumatized and he had matured to realize that war <em>is</em> a big deal.
I hope this helps!
it would be plagarizing if i wrote them for you, but write them along the lines of problems that you would like to be solved