When people cross the border and controllers need

When people cross the border and controllers need to check your paper, this question are asked the most of the time :

• Marital Status 
• Place of Birth 
• Physical Description 
• Occupation 
• Ability read or write, and in what language 
• Last permanent residence 
• Destination 
• Purpose for entering the U.S. 
• Intent to become a U.S. citizen 
• Head tax status 
• Previous citizenships

 If the informations given by the immigrants are wrong, he will be send back to his own country.