Conversation so far:
What did Phillip Sheridan do postbellum?
Philip Sheridan was promoted to lieutenant general
what did Phillip Sheridan do after becoming lieutenant general?
Philip Sheridan was sent observe and report on the Franco-Prussian War
what else was Philip Sheridan was doing in the time when he was sent observe and report on the Franco-Prussian War?
Philip Sheridan was present when Emperor Napoléon III surrendered to the Germans
what happened in the franco prussian war where Philip Sheridan was present when Emperor Napoléon III surrendered to the Germans?
The Franco-Prussian War was a conflict between the Second French Empire and the German states of the North German Confederation led by the Kingdom of Prussia.

Question: and what did he think about the surrender
Self-contained rewrite: and what did Philip Sheridan think about the surrender of napoleon III to the Germans?