Verify the associations
Verify that the following two-way associations are coded correctly{nbsp}:
.. Game
-- Player
.. Lobby
-- Player
.. Game
-- Board
.. Board
-- Continent
.. Continent
-- Country
.. Player
-- Card
.. Country
-- Country
.. Player
-- Country
.. Player
-- Unit
.. Player
-- Continent
.. Player
-- Country
(possessedTerritories)