If for some reason you want the context it's at https://ia800304.us.archive.org/14/items/thesonsofhan00upwauoft/thesonsofhan00upwauoft.pdf
If for some reason you want the context it's at https://ia800304.us.archive.org/14/items/thesonsofhan00upwauoft/thesonsofhan00upwauoft.pdf
well, you have to understand the inscrutable occidental mind. they are always terrified of what they call "losing face", so when the chinese were not sufficiently polite to them, that necessitated war.