QUES: Q: Who learned from Napoleon's innovations?
A: His opponents learned from Napoleon's innovations.
Does the answer answer the question?

ANS: yes

QUES: Q: What color other than green was used on the backside of the original note?
A: The original note was printed in black and green on the back side.
Does the answer answer the question?

ANS: yes

QUES: Q: What is the Shia Islam doctrine of religious, spiritual and political leadership of the Ummah?
A: Imamah (Arabic: ) is the Shia Islam doctrine (belief) of religious, spiritual and political leadership of the Ummah.
Does the answer answer the question?

ANS: yes

QUES: Q: Who's basic work in the area of coral reefs did the Royal Society's investigations follow?
A: This investigation followed the work on The Structure and Distribution of Coral Reefs conducted by Charles Darwin in the Pacific.
Does the answer answer the question?

ANS:
yes