Although geography had been nearly eliminated as an academic discipline in the United States after the 1960s, several geography-based historical theories were published in the 1990s.
1960'lardan sonra coğrafya ABD'de akademik disiplinlerden neredeyse çıkarılmasına karşın, pek çok coğrafya kökenli tarihsel teori 90'lı yıllarda yayınlandı.