Supplies are sent by sea through international ports. Also, Rhun sends a messenger to the Natural State, saying that Natural State refugees from the fire will be allowed to enter Rhun, if and only if the Natural States, cuts all aid to Japan, and stops attacking the Phillipines.
I immediately begin a swift attack on Japanese mainland and crown myself the new Emperor. I order the construction of a navy as strong as possible Levee en Mass is instituted.
You have no need to send a message of join or die. If the Philippines wants to die for freedom. So be it. We die for freedom as the Naturalist dies for honor in war.