"A" is quite correct, though "C" adds a bit more detail of how soldiers felt about Trench Warfare. In my honest opinion, I think "D" is the correct answer.
Trench Warfare was rather horrific, and brutal to say the least -- it was also "boring" during stalemates if neither party was engaging in any sort of push.
Note: I'm not a teacher of any sorts! This is just my opinion from things I've learned in the previous years.
Answer: Location and climate have large effects on income levels and income growth through their effects on transport costs, disease burdens, and agricultural productivity, among other channels. Geography also seems to affect economic policy choices. ... Economic growth in a cross-section of countries.
The culture of the United States of America is primarily of Western culture (European) origin and form, but is influenced by a multicultural ethos that includes African, Native American, Asian, Polynesian, and Latin American people and their cultures.
i hope this helps
