In my own opinion I believe the answer is B, due to the fact that you can see what she had went through, through her writing.
Answer in BOLD
Most military people I have known believe the US Air Force is the safest branch to be in from a combat perspective. In the Army and Marines, the enlisted men do the vast majority of fighting, and, therefore, getting killed.
The monopolies contributed to the economic challenges that farmers faced in the United States in the late 19th century by <span>independent farmers were forced to sell their farms when they could not compete with the output of large, commercial farms.</span>