Apparently you can just go to a us embassy like the us embassy in Athens but I do suggest about getting a Immigration lawyer so I do recommend and you would have to have a Foriegn citizenship(passport)and also get your certificate of loss of renounce and fill out I-94 along with birth certificate. Mostly the CBP will let you so have a nice flight to the USA
Yes, a naturalization certificate allows you to enter the US as a citizen.
Everybody. If you are a US citizen you can go without a passport. If you are not a US citizen you can enter with proper passport and with an US visa.
yes
Two options: 1.US citizen can go to India marry and then spouse can enter using a K-3 spouse's of US citizen visa. 2.Alien can enter US on a K-1 fiance visa and marry the US citizen within 90 of entry to get conditional status.
If it's a valid US passport or you are a dual-citizen most likely
Yes, a US citizen needs a visa to enter Malaysia for tourism or business purposes.
when does a us citizen need a passport to drive to Canada
Most definitely
Costa Rica is not a US territory. If you try to enter the US with a Costa Rican passport, expect to be treated as a Costa Rican citizen and not a US citizen (that is, you'll need a visa, etc.). If you're a US citizen, get a US passport
yes if you are a citizen or a resident. I am not a citizen or resident of America though.. im citizen of Canada
No, Alaska and Hawaii are a part of the US.
None if you are a US citizen.