Are you familiar with the number of casualties resulting from the 6-month-long Finnish Civil War of 1918, when the Communists unsuccessfully attempted to wrest control of that country?
It was arguably the conflictmost analagous to a second American civil war or war of constitutional defence; not so much in numbers, but in percentages.
And I suspect you're going to need a larger harbour. MUCH larger.... Accordingly, CWII Ping!
Thanks for the ping. And the link. Finland has a proud history of resisting tyranical governments.