Amphibious landing is too easy. Slowing transports down to half their current speed could really help. Making transports more vulnerable during their sea journey in this way would incentivize building a navy to protect transports, which I think would add a cool dynamic to the game--you have to control the area of sea you want to pass through before you can send transports through it. Plus, it would be more realistic.
Right now, it's far too easy for a tiny country like Yugoslavia to make a few troops, go land somewhere, take one city, build conscripts out of it, and wreck the economy.
Thanks again for this amazing map!!!