Indeed, so sacred are the Ise shrines that, despite the relatively peaceful coexistence of Shinto and Buddhism in Japan, Buddhist monks and nuns were banned from entering the precincts prior to the Meiji Restoration of 1868.
The Meiji Restoration of 1868 allowed women to become priests.
mnli hypothesis: The Meiji Restoration of 1868 allowed women to become priests. premise: Indeed, so sacred are the Ise shrines that, despite the relatively peaceful coexistence of Shinto and Buddhism in Japan, Buddhist monks and nuns were banned from entering the precincts prior to the Meiji Restoration of 1868.