Tuhia he whakamāramatanga mō tēnei wāhanga - He wehi pakanga poto i te tau 1858-1860 i te mea i whakapohehehia e ngā kaiwhakatere i Ingarangi ngā tohu marara hei tohu mo te whakaekenga, engari kāore a Napoleon III i whakamahere i taua riri. I mahi tahi nga iwi e rua i te Pakanga Opium Tuarua
me Haina, ka tukuna he ope tahi ki te taone nui o Haina ki Peking ki te akiaki i tetahi tiriti ki te Qing Dynasty o Haina. I te tau 1859 Napoleon, e karo ana i te Corps législatif e wehi ana kaore e whakaaetia e ia te tauhokohoko koreutu, i tutaki ki te kaiwhakahoutanga whai mana a Richard Cobden, a i te 1860 i hainatia te Tiriti Cobden-Chevalier i waenga i nga whenua e rua, e whakaiti ana i nga utu mo nga taonga i hokona i waenga i Ingarangi me France.