Hello,
Considering I don't know what text you're referring to, I'll just answer the question as defining it.
A refugee can be defined as a person who is forced to leave their country to escape war, persecution, or a natural disaster.
Answer:
B. These areas are necessary for a successful life.
a. heroism
The poem repeatedly talks about the bravery of soldiers both alive and those that lost their lives.
They use it to make their study more accurate by using their findings as evidence, which deem to show proof for their theory.
