question: Answer this question.

What is the alternative name of The Battle of Sharpsburg fought on 17th Septermber 1862, the bloodiest single day in the US Civil War, with 22,717 dead wounded or missing?
answer: antietam
question: Answer this question.

"Which Gilbert And Sullivan opera set in Asia featured the famous saying ""Let the punishment fit the crime"" ?"
answer: mikado
question: Answer this question.

"In 1906, Lee de Forest developed a ""triode"" to amplify and convert alternating current to direct current, which played a major role in the development of which invention?"
answer:
radio