Describe the USA's migration policy (5) - Immigration and naturalisation act, is the body of law which governs current immigration policy allowing 675,000 permanent migrants annually - Protection of refugees - the act decides the number of refugee admissions annually and ensures their safe passage - Promoting Diversity - 50,000 visas available through the diversity immigrant visa programme annually - Humanitarian relief - visas are available annually fro relief from natural disasters or armed conflict - 140,000 visas are available for high skilled workers who are valuable to the conomy, 70% of...