Passport,visa,student cards if you are student and other things but visa must be if you want live i Afica,America and other continents
A valid picture identification card.
You do not need a passport to fly from Los Angeles, CA to Denver, CO. As long as you are a US Citizen, the only identification you will need is your driver's license or state issued identification card.
As long as you are from the United States citizen, You can enter it. We are a United States territory
A marriage license is all you need. You have all you need to stay in the US.
Yes, as a US citizen, you can live in Germany for up to 90 days without a visa. If you plan to stay longer, you will need to apply for a residence permit.
If you are a US citizen and have the identification for it then Yes you can if you are to travel by land and sea. If by air, you need your passport.
You can but be aware, that the UK citizen cannot legally change their status while in the US. It depends on where you both want to live. If the US citizen wants to come back to the UK, a marriage visa is needed from the British Embassy in the US. However if the UK citizen wants to live in the US, they will have to go back to the UK and the US citizen will then need to file the I-130. Until it comes through you cannot live in the US, but will have to wait in the UK.
Contrary to popular belief, marrying someone does not make them a US citizen. You need to talk with an attorney, and not WikiAnswers.
She would need a UK work visa.
Yes, you do need to be a US citizen
Immigration
A US Citizen would need a work permit to live and work permanently in the UK.