United Nations(UN)Origin--October 24,1945keep the peace andstop warSovereign statesare membersThe UnitedNationssovereignty ofthe stateis notdiminished,andthe UnitedNationsis stillstrong to thisday.North AtlanticTreatyOrganization(NATO)Origin--April4,1949protectingdemocraticfreedomNorthAmericanand EuropeThe sovereigntyof NATO is notdiminished,and is still inuse, andstrong, to thisday.Warsaw PactOrigin—May14, 1955the Soviets soughtto centralizeleadership of aglobalsocialist/communistmovement on tothe USSRthe Republics ofthe Soviet UnionThe sovereigntyof the WarsawPact isdiminished andhas been eversince beforethe USSRdisbanded.European Union(EU)Origin—July 23,1952Ended—July 23,2002ensures freemovement ofpeople, goods &services, and capitalwithin its allmembers.27memberstatesthat are locatedprimarilyinEurope.TheEuropeanUnionsovereignty ofstateis notdiminished,howeverrecently theUnitedKingdom votedto leave theUnion.North AmericanFree TradeAlliance(NAFTA)Origin--January1, 1994reduce tradingcosts, increasebusinessinvestment, andhelp North Americabe morecompetitive in theglobal marketplace.