Koenkai (後援会; engl. "local support groups") are an invaluable tool of Japanese Diet members, especially of the Liberal Democratic Party (LDP). These groups serve as pipelines through which funds and other support are conveyed to legislators and through which the legislators can distribute favors to constituents in return. To avoid the stringent legal restrictions on political activity outside of designated campaign times, koenkai sponsor year-round cultural, social, and "educational" activities. In the prewar years, having an invincible, or "iron," constituency depended on gaining the support of landlords and other local notables. These people delivered blocks of rural votes to the candidates they favored. In the more pluralistic postwar period, local bosses were much weaker, and building