"Dual Alliance (1879)" . . . "a military alliance with
Austria-Hungary
" . . . . . . . "Austria-Hungary's alliance with" . . . . . "their alliance" . . . "alliance of Germany and Austria-Hungary in 1879" . "closely allied" . . "dual alliance" . "alliance" . . "A defensive alliance" . "Dual Alliance" . . "Dual Alliance (1879)" . . "alliance of 1879" . "Alliance of 1879" . "ally" . "Zweibund" . .