I would say either A or C, but i'm not positive, my research didn't tell me much, sorry!
I think the answer will be D?
Answer:
I guess you mean 30 year peace treaty?
The Thirty Years' Peace was a treaty, signed between the ancient Greek city-states Athens and Sparta, in the year 446 or 445 BCE.
Answer:
it is the sovereign nation-states
Explanation:
A sovereign nation-state is a government body defined by a centralized administration
If you have any questions feel free to ask in the comments. - Mark