This state used the Kotai system to prevent a regression to the factionalism of the preceding Sengoku period on the part of the daimyo.
August Kuper oversaw a "bombardment" against one polity under the umbrella of this state after vital parts of Charles Lenox Richardson were removed during a right-of-way dispute, while another lowlight saw summary executions to those who violated the Compassion for Living Things law by kicking or refusing to feed stray dogs. This state saw two retaliatory Chosu expeditions following the rise of the Kokugaku philosophy and the Sonno Joi doctrine, which contrasted the need to revere its ruler with the need to "expel the (*) barbarians." This government also dealt with the related Mito Rebellion and the much earlier Shimabara revolt, a conflict stemming from the Christianity recently popularized by Portuguese missionaries among the citizens of this notably isolationist state. This state used the Kotai system to prevent a regression to the factionalism of the preceding Sengoku period on the part of the daimyo. Signing the Treaty of Kanagawa after the arrival of the Black Ships under Matthew Perry, FTP, name this Japanese Shogunate founded after its namesake won at Sekigahara, which eventually gave way to the Meiji Period.
August Kuper oversaw a "bombardment" against one polity under the umbrella of this state after vital parts of Charles Lenox Richardson were removed during a right-of-way dispute, while another lowlight saw summary executions to those who violated the Compassion for Living Things law by kicking or refusing to feed stray dogs.
{Tokugawa} Bakufu/Shogunate (I hope it's not necessary, but I guess you should prompt on “Japan”)