Ka kammala wannan magana: Leffert ya sauke karatu daga Jami'ar St. Lawrence a shekara ta 1863. Bayan kammala karatunsa daga St. Lawrence, Buck ya shiga kuma ya yi yaƙi da rundunar Union a yakin basasar Amurka a ƙarƙashin Janar Slocum, yana shiga cikin yaƙe-yaƙe a Antietam, Chancellorsville, Gettysburg,
Dutsen kallo, Mai wa'azi na Ridge, Peachtree Creek, Resaca da kuma Ringgold Gap.