This polity established a namesake alliance with a more northern region following the Summer War, the second of two government expeditions against that more northern region. The British navy bombarded a major city in this sub-national region after the bodyguards of a regent of this polity killed the merchant Charles Lennox Richardson. A leader of this polity established private military academies called shigakkō, graduates of which joined him during the siege of Kumamoto Castle. (-5[1])The abolition (-5[1])of the han system led to the end of this region’s control over the (*) Ryukyu Islands. The Keio Reforms were created in response to a conflict named for this domain that ended with the Battle of Shiroyama. That conflict, named for this domain, (10[1])was led by Saigo Takamori. For 10 (-5[1])points, what southwestern Japanese domain names a rebellion of samurai against the Meiji government? (10[1])■END■ (0[1])