However, the relationship soon turned sour. In accordance with [[Emperor Komei|Emperor Kômei's]] imperial edict ordering the violent [[joi|expulsion of the barbarians]], Chôshû began on [[1863]]/5/10 to fire upon passing ships. In [[1864]]/2, Chôshû's coastal batteries hit a merchant vessel sponsored by Satsuma carrying a cargo of cotton to sell to Western merchants at [[Nagasaki]], leading to considerable tensions between the two domains, and Satsuma severing trade relations with Chôshû. Later that year, Chôshû sent an armed force to [[Kyoto]] with intentions of enhancing the domain's political influence in the city; when that force attempted to storm the [[Kyoto Imperial Palace|Imperial Palace]], warriors from Satsuma and [[Aizu han]] repelled them. The Court subsequently declared Chôshû an enemy of the state, and Satsuma warriors took part in a punitive expedition against Chôshû launched by the shogunate. | However, the relationship soon turned sour. In accordance with [[Emperor Komei|Emperor Kômei's]] imperial edict ordering the violent [[joi|expulsion of the barbarians]], Chôshû began on [[1863]]/5/10 to fire upon passing ships. In [[1864]]/2, Chôshû's coastal batteries hit a merchant vessel sponsored by Satsuma carrying a cargo of cotton to sell to Western merchants at [[Nagasaki]], leading to considerable tensions between the two domains, and Satsuma severing trade relations with Chôshû. Later that year, Chôshû sent an armed force to [[Kyoto]] with intentions of enhancing the domain's political influence in the city; when that force attempted to storm the [[Kyoto Imperial Palace|Imperial Palace]], warriors from Satsuma and [[Aizu han]] repelled them. The Court subsequently declared Chôshû an enemy of the state, and Satsuma warriors took part in a punitive expedition against Chôshû launched by the shogunate. |