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Large waves of Irish (90% of immigrants) coming in to avoid the famine and the blaming of foreigners of stealing American jobs. The transcontinental rail-road and rage about the Gold Rush.
https://www.preceden.com/timelines/29989-waves-of-immigration-in-america -
Political unrest and economic pressures in China prompted thousands of Chinese immigrants to move to the western regions of the United States in search of temporary work. Leads to the Chinese Exclusion Act.
http://www.migrationpolicy.org/article/chinese-immigrants-united-states -
Citizenship granted for anyone born in the United States.
http://www.americaslibrary.gov/jb/recon/jb_recon_revised_1.html -
Congress made literacy a requirement for entry into the united states.
https://www.preceden.com/timelines/29989-waves-of-immigration-in-america -
Law that prohibited the entry of Chinese workers into America
https://www.ourdocuments.gov/doc.php?flash=false&doc=47 -
Immigration quotas on the basis of national origin, serving as the foundation of immigration.
http://immigration.laws.com/national-origins-act -
Allows for the admission of more than 400,000 refugees left homeless by WW2.
https://en.wikipedia.org/wiki/Displaced_Persons_Act -
Replaced old quotas with a set of seven preference categories.
https://en.wikipedia.org/wiki/Immigration_and_Nationality_Act_of_1965 -
Smaller quotas of immigrants allowed and acts not in favor of immigration or the allowing of refugees into America.
http://www.fairus.org/legislation/reports-and-analysis/history-of-us-immigration-laws -
Sought to give refugee policy greater consistency allowing for a regular and emergency flow.
https://en.wikipedia.org/wiki/Refugee_Act -
Imposed penalties on employers who knowingly hired workers without proper documentation
http://library.uwb.edu/Static/USimmigration/1986_immigration_reform_and_control_act.html -
An amendment in United States immigration law that increased the number of legal immigrants that entered into the United States every year.
https://en.wikipedia.org/wiki/Immigration_Act_of_1990 -
An effort by Congress to strengthen and streamline U.S. immigration laws. The Act was designed to improve border control by imposing criminal penalties for racketeering, alien smuggling and the use or creation of fraudulent immigration-related documents and increasing interior enforcement by agencies charged with monitoring visa applications and visa abusers.
https://www.law.cornell.edu/wex/illegal_immigration_reform_and_immigration_responsibility_act