When spreading the Dharma in a country, it is important to take into consideration the type of country it is. One cannot assume that a teaching suitable in one country will necessarily be suitable in another country.
Nanjō Hyōe Shichirō-dono Gosho, A Letter to Lord Nanjō Hyōe Shichirō, Writings of Nichiren Shōnin, Doctrine 3, Pages 143.