Sorry if this is a little late but im almost positive it is C
<span>The secession of several border states</span>
Rome was different because of the leaders and how they thought of things.
They didn't really worry because they were enemies with the Europeans.
Answer:
A
Explanation:
If you read the answers and look at the place it is talking about like b brazil it has most of it right but then it says "most people are very happy"
then c it says the us and canada are not felling safe
last but not least d Mongolia it says everyone there is uper happy and have a lot of money so therefore the answer is a