Issuing a demand is a way for a Civilization to request another Civilization to surrender its <l:6,92>gold<e>, maps, or to perform an action. With an embassy, a Civilization may also demand <l:6,66>Advances<e>. When a Civilization acquiesces to a demand and completes the act requested, a 5-turn <l:6,68>peace treaty<e> begins between the two Civilizations.