Only the UK AI ever seems to try landing on coasts but in a players hand navy is quite usefull. In my Mexican GC my dug in troops along the Mex/US border would fight defensively.
My fleet would blockade the entire eastern seaboard and the transports would move in with my spare regular troops and my reserves. DC New England and the entire east coast would become mine.
Then the US offers me a bunch of their western territories and....war over
My fleet would blockade the entire eastern seaboard and the transports would move in with my spare regular troops and my reserves. DC New England and the entire east coast would become mine.
Then the US offers me a bunch of their western territories and....war over