Customs and Border Patrol may ask you to provide proof of your return or onward flight information from Europe, showing you are not intending a long-term stay.
Customs and Border Patrol may ask you to provide confirmation on where you will be staying.
Customs and Border Patrol may ask you to provide bank statements from the last three to six months, original, stamped, and signed by the bank. (Show you have sufficient funds to cover the length of your stay, typically $100 / day)
Customs and Border Patrol may ask you to provide credit card statements for the last three months, if you don't have a bank account. (Show you have available funds to cover the length of your stay, typically $100 / day)
