可以的话给点加分. 　　Citizenshipismembershipinapoliticalcommunity(originallyacityortownbutnowusuallyacountry)andcarrieswithitrightstopoliticalparticipation;apersonhavingsuchmembershipisacitizen.Itislargelycoterminouswithnationality,[citationneeded]althoughitispossibletohaveanationalitywithoutbeingacitizen(i.e.,belegallysubjecttoastateandentitledtoitsprotectionwithouthavingrightsofpoliticalparticipationinit);itisalsopossibletohavepoliticalrightswithoutbeinganationalofastate.Inmostnations,anon-citizenisanon-nationalandcalledeitheraforeigneroranalien. 　　Citizenshipisthepoliticalrightsofanindividualwithinasociety.Thus,youcanhaveacitizenshipfromonecountryandbeanationalofanothercountry.Forexample,aCuban-AmericanmightbeconsideredanationalofCubaduetohisbeingbornthere,buthecouldalsobecomeanAmericancitizenthroughnaturalization.Nationalityderivesfromeitherplaceofbirth(i.e.jussoli),parentage(i.e.jussanguinis),orethnicityandreligion(asinIsrael).Citizenshipderivesfromalegalrelationshipwithastate.Citizenshipcanbegainedthroughnaturalizationandlostthroughdenaturalization. 　　Citizenshipstatusoftenimpliessomeresponsibilitiesanddutiesundersocialcontracttheory."Activecitizenship"isthephilosophythatcitizensshouldworktowardsthebettermentoftheircommunitythrougheconomicparticipation,publicservice,volunteerwork,andothersucheffortstoimprovelifeforallcitizens.Inthisvein,schoolsinsomecountriesprovidecitizenshipeducation.