What is the history of migration policies in the US?
Naturalisation Act of 1790 - allowed free borders
Immigration Act of 1882 - Slightly stricter borders
Labour laws of 1885 and 1887 - encouraged more workers
National origin quotas 1924-64 - quotas based on nationality
Bracero program 1942-64 - to meet famer shortages
Immigration Nationality Act of 1965 - Scrapping the nationality quota