In Huaxia, there is a saying that when two countries are at war, they do not harm the messengers, and even during wars between European countries, the nobility of enemy states often interact privately.
Even during World War II, while England and Germany, and France and Germany seemed to be at each other's throats, there were still diplomatic exchanges.
Little Mustache once believed that the United Kingdom was about to surrender, a result influenced by many pro-German factions in the UK secretly persuading him. Of course, in hindsight, these pro-German factions did indeed play a positive role to some extent.
The ambassadors dispatched by the Great Tang Empire to various countries continued to operate within countries like Laines and Suthers even after war was declared.
