When did the first official Army-Navy surplus stores begin appearing as retail establishments in the United States?

Army-Navy stores became a distinctive retail innovation in American commerce, selling military surplus goods to civilians after major conflicts. These stores created an entirely new retail segment and changed how military equipment entered the consumer marketplace. Test your knowledge about this unique retail phenomenon that bridges military history and civilian commerce.

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After the Civil War (1865-1870)
After World War I (1919-1921)
During the Great Depression (1932-1935)
After World War II (1946-1950)