I think the answer is C, rivers.
Answer:
over centuries, cultural, political, and religious differences brought the two parts of the old Roman Empire into conflict
Explanation:
Representative democracy and impeachment. I don't know if what you're doing is multiple choice or not.
Answer:
The right view in the eightfold paths support wisdom, and the most important thing, when it comes to following the eightfold path, is to be ethical in word, deed, and thought. In other words, to be a good, kind, positive, and moral person.