Question

Migrants that legally enter into the country, have a valid immigrant visa and proper documentation​

Answer 1

Answer:

no you are wrong as immigration is illegal

Answer 2

Answer:

Immigrant visas are issued to foreign nationals who intend to live permanently in the United States. Nonimmigrant visas are for foreign nationals wishing to enter the United States on a temporary basis - for tourism, medical treatment, business, temporary work, study, or other similar reasons.