You might want to search on the internet. Also try TonyThePony! Helped me with history question so maybe he can get this one for ya!
Answer:
I would say pretty realistic
Answer:
<h2> A.I'm not sure just I add it</h2>
Here most appropriate answer, which is not a reason is "<span>embarrassment of there terrible living conditions and backward civilizations"
In short, Your Answer would be Option B
Hope this helps!</span>