How did japan's geography impact its relationships with other societies

 "Geography and climate set parameters for human action" Rulers have, in the past, shown large political control and closed outside influence, possible only because of Japan's separation. Rice growth held agreement in organization and a sense of isolation. Japan has a "generally mild, temperate climate with a rich variety of local habitats which resulted in regional variations in culture and economic development historically"

it increase by 12% a year from 1812-1820