The answer is (B) hydroelectricity
Answer:
D. Lower birthrate
Explanation:
The graph shows more old people than young people which is most easily explained by lower birth rates.
This might be confusing because of the Black plague but that was only between 1346-1353
hope this helps :)
Answer:
c) both western and Eastern European nations
Explanation:
Yes I THINK the honor played a role in the civil war