Which are banned from entering the united states?
expatriates
documented aliens
skilled workers
criminals

Criminals

Explanation:

People who have previously lived in the USA, have a criminal record and were deported, may not enter the country again. People who are on international lists of suspected criminals (like on the most wanted list of Interpol), may not enter the American territory.

i think they would live in caves or natural tunnels

answer: 1

explanation:

im pretty sure