He points to the example of the alliance patterns of European states before and during World War I and World War II, when nations with a significantly greater combined power allied against the recognized threat of German expansionism.
Ia mengambil contoh pola aliansi negara-negara Eropa sebelum dan semasa Perang Dunia I dan Perang Dunia II, masa ketika negara-negara yang kekuasaannya besar bersekutu menghadapi ancaman ekspansionisme Jerman.