Odyssey Game Greek ships had sails, and were pushed along by the wind. Small trading ships usually stayed close to the shore, so the sailors did not get lost. Before a voyage, the sailors prayed to the sea god Poseidon, for a safe journey
ships:－Ming China sent out enormous goods of ship into the Indian Ocean, commande by the eunch admiral Zheng He. -Transmit China's peaceful message, bring gifts to China's neighbors. Tributary state system, bulid network support them.
The hull of the Olympias, a full-scale reconstruction of an ancient Greek trireme warship. The principal strategy in battle of the trireme was to sink or damage the oars of an enemy vessel using the bronze.