whEthEr you ArE AnAmEriCAn CitizEn or A ForEign nAtionAl living in thE unitED stAtEs, trAvEl ABroAD rEquirEs prEpArAtion. trAvEl mAy BE For thE purposE oF AttEnDing mEEtings or ACtivitiEs in othEr CountriEs, visiting FAmiliEs or simply tAking A vACAtion. this pAgE is intEnDED to proviDE guiDAnCE AnD usEFul rEsourCEs. whAt inFormAtion Do u.s. CitizEns nEED DEpEnDing upon thE rEquirEmEnts oF thE Country to BE visitED, CitizEns oF thE unitED stAtEs nEED to CArry A pAssport thAt is vAliD For six months BEyonD thE visit or DoCumEntED EviDEnCE oF thEir CitizEnship AnD iDEntity (身份). in ADDition to A pAssport, somE CountriEs will rEquirE A vis A、For morE inFormAtion, sEE visA AnD ForEignEntry rEquirEmEnts. CurrEnt inFormAtion on pAssports is AvAilABlE At thEDEpArtmEnt oF stAtE pAssport sErviCEs AnD inFormAtion wEBsitE. thErE is A nEw pAssport rEquirEmEnt For u.s. CitizEns trAvEling BEtwEEn thE unitED stAtEs AnD thE rEst oF thE wEstErn hEmisphErE (半球). For DEtAils, sEE wEstErn hEmisphErE trAvEl initiAtivE. whEn trAvEling to somE spECiFiED CountriEs, u.s. CitizEns mAy BE suBjECt to rEstriCtions on puBlishing, thE ExChAngE oF inFormAtion, thE sponsorship oF ConFErEnCEs, EtC、 it CAn BE inFErrED thAt thErE ArE rEstriCtions on puBlishing whEnAmEriCAn CitizEns trAvEl ABroAD BECAusE oF ______. A、thE limitAtion oF thE numBEr oF puBliCAtions B、thE sECurity oF thE unitED stAtEs C、thE intErEst oF inDiviDuAls D、thE protECtion oF Copyright