instruction:
Generate a correct and concise answer for the question based on the words in the context.
question:
Context : Hermann-Friedrich Joppien (19 July 1912 -- 25 August 1941) was a German Luftwaffe military aviator during World War II, a fighter ace credited with 70 enemy aircraft shot down in roughly 270 combat missions. 
Question : During which historic war was Hermann-Friedrich Joppien an officer?
answer:
World War II


question:
Context : John J. Hoover was a billiard hall owner hanged by vigilantes on April 28, 1880, for the unprovoked murder of a townsman in Fairplay in Park County in central Colorado. 
Question : For what crime was John J. Hoover prosecuted?
answer:
murder


question:
Context : Allen Thomas (December 14, 1830 -- December 3, 1907) was a Confederate States Army brigadier general during the American Civil War (Civil War). 
Question : What war or battle involved Allen Thomas?
answer:

American Civil War