according to time and circumstances

Two days before the assassination of Sakamoto.
Main Satsuma troops had departed Kagoshima.
And Choshu troops had departed continue.

This public position was only petition by head of the branch.
But Tokugawa had detected Choshu’s true action.

"Come to Kyoto will be canceled."
Tokugawa notified it via Hiroshima.

”Notified was after the departure.
I therefore could not tell to Choshu.
Please told so to Tokugawa.”
Choshu asked to Hiroshima.
Hiroshima had assured it.
　
Tokugawa had not yet noticed.
They were allies.
　
・・・・・・・・・
　
Choshu landed in Hyogo.

"Tokugawa will open Hyogo port to foreign.
If this goes on，Japan can not expulsion of the foreigners.
This is also a crisis of the Emperor.
We came to protect the emperor."
Choshu declared so.
　
Of course Choshu were most good friends with foreign countries.
　
・・・・・・・・・　

"Execution of the expulsion of the foreigners.
When is it?"
After the Meiji Restoration，some people asked like that.　
　
"Statement is according to time and circumstances."