Answer:
It was experimented on.
Explanation:
Before his death they did tests to see why he was so smart.
I can not remember the chapter, but I hope this helps.
The battle of the Five Armies, Smaug attacks Lake-town. He is killed by Bard with an elongated iron arrow and his body falls on the boat carrying the fleeing Master of Lake-town
Yes he did encourage a rebellion. Common Sense.
Answer:
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