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
“It’s not true that the war was only about opium. For example, they were very rude when they told our opium smugglers to hand over their illegal opium.”
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.