Mare clausum defended a "Mare clausum" policy during the age of discovery. This was soon challenged by other European nations. From 30 BC to 117 AD the Roman Empire came to surround the Mediterranean by controlling most of its coasts. Romans started then to name this sea "mare nostrum" (Latin for "our sea"). At those times the period between November and March was considered the most dangerous for navigation, so it was declared ""mare clausum"" (closed sea), although bans on navigation were probably never enforced. In classical law the ocean was not territorial. However, since the Middle Ages maritime republics like the
Mare Nostrum (board game) player's roles; for example, Rome must play aggressively while Egypt must trade. Further, players are forced (to a certain extent) into certain actions early in the game; if Egypt is allowed to acquire too many resource cards they will quickly build the Pyramids; if Rome is not then held in check they will achieve military victory. However, once the game has been played a few times these strategies become less effective and the game opens out again. "Mare Nostrum: Mythology Expansion" adds mythological and religious elements to the game. These include: Mare Nostrum (board game) Mare Nostrum is a board