Transform: You may change a fleet into an army and vice versa using transform
during the diplomacy phase at a coast with a supply center. The unit holds and can be supported in holding,
but the conversion is only successful if the unit is not attacked.
If you want to transform an army into a fleet in a province with more than one coast, you have to specify the desired coast for the resulting fleet
Canal: Fleets may pass through Panama in a similar fashion to Constantinople and Kiel in regular Diplomacy.