In addition to Morgenthau's interest and competence in writing about the political affairs of his own time, Morgenthau also wrote about the philosophy of democratic theory when faced with situations of crisis or tension.
Selain ketertarikan dan keahlian Morgenthau di bidang politik pada masanya, ia juga menulis tentang filsafat teori demokrasi bila mengalami masa-masa krisis atau ketegangan.