Shลwa Era: The period of Japanese history from 1926 to 1989 during which Hirohito reigned, characterized by rapid modernization and significant events such as World War II and post-war recovery.
Japanese Militarism: A political and social system that emphasized military power and influence over civilian government in Japan, particularly prominent during the 1930s and World War II.
Postwar Constitution: The constitution enacted in Japan in 1947 that transformed the emperor's role into a ceremonial figurehead, significantly limiting imperial power and establishing democratic governance.