to City size) random Ground or Air units are placed face down in each Neutral
City. All Neutral units are 2CV to start.
pieces remain hidden (no building) until either player attacks a neutral unit
or moves a land or air unit across neutral territory. All pieces are then controlled
by the other (Allied) player. The allied player can only use neutral cities to
build or refit neutral units which can now be rebuilt to a strength of 3 or more
(and which can now include Naval Units).
player can use captured and garisoned neutral cities to rebuild his own units
as normal. If the hostile player captures the Neutral 3PP city and at least one
Neutral 2PP city, the Neutral country surrenders and all Neutral units are removed.
Following surrender, Neutral cities are treated as Captured Cities for both sides
(ie. must be garrisoned to maintain control).