Share This Article 1. In 1929 this airship circled the world in just 21 days. The Graf Zeppelin The Hindenburg The L-101 The Macon 2. Walt Whitman, the American poet, served as this during the Civil War. Volunteer nurse War correspondent Ambassador to Spain Artillery man 3. The Weimar Republic used these paramilitary organization to put down leftist revolts in Germany. The Gendarmerie The Free Corps The Home Guard Border Police Loading …