Who wrote the FFA Creed?
When?
When was it adopted? At which convention was is revised?

The FFA stands for Future Farmers of America. The creed was written by  E.M. Tiffany in 1928 and  adopted by the National FFA Organization in 1930 at the 3rd National FFA Convention.

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b - those executed came from every social and economic class

the alfred thayer mahan award for literary achievement is awarded each year by the navy league of the united states. the award is named for an american naval historian and theorist, rear admiral alfred thayer mahan, united states navy who, through his writing, provided stimulus and guidance to those who share in the defense of the nation. presented since 1957, "this award for literary achievement is awarded to a u.s. navy officer, u.s. marine corps officer, enlisted service member, or civilian who has made a notable literary contribution that has advanced the knowledge of the importance of sea power in the united states."[1]