C. Terrorist groups that are supported by a nation's government
These groups are funded in many different ways. These can be funded with money, training, or even offering equipment to the terrorist groups.
B, because the others have story elements that frequently appear in historical fiction. Not to mention how the only choice that used the word “historical” is B
The nazis said that not everyone should be treated/paid equally while the communists said that everyone doesn't matter what their job is would be payed/treated the same
They happened in this order Marathon, Thermopylae, Salamis, Ionian Revolt. Hope this helps.