Note the game started, and I sent 2 more people join mails before it did, im pretty sure you can still join now and not be affected by a lost turn
The areas with the black and white circle are supply zones, and the more important areas as each supply zone = 1 unit
Quick tips for a few countries
Russia and Turkey - The black sea is your MOST important area, he who controls it will be able to easily advance on the other player
France and England - English channel might determine who is capable of advancing on the other