The immigration policy of the United States has undergone significant changes throughout its history. Here is a historical overview of key developments in U.S. immigration policy:

Immigration Policy: Historical Overview
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Table of Contents
ToggleColonial Era (1600s–1775):
- During the colonial period, there were no formal immigration laws. English settlers established colonies along the East Coast, and migration was primarily driven by economic opportunities and religious freedom.
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Naturalization Act of 1790:
- The Naturalization Act of 1790 was the first federal law on citizenship and limited naturalization to “free white persons” of good moral character, excluding indentured servants, slaves, and free Black individuals.
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Chinese Exclusion Act (1882):
- The Chinese Exclusion Act was the first significant law restricting immigration based on nationality. It suspended the immigration of Chinese laborers for ten years and was later extended.
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Immigration Act of 1917:
- The Immigration Act of 1917 implemented literacy tests for immigrants over 16 years old and created a list of “undesirable” immigrants. It marked a shift toward more restrictive immigration policies.
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Emergency Quota Act (1921) and Immigration Act of 1924:
- The Emergency Quota Act of 1921 established quotas limiting immigration based on nationality, and the Immigration Act of 1924 (National Origins Act) further restricted immigration from Southern and Eastern Europe and virtually banned Asian immigration.
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Bracero Program (1942–1964):
- During World War II, the Bracero Program allowed temporary agricultural workers from Mexico to address labor shortages. The program continued until 1964, shaping patterns of Mexican migration.
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Immigration and Nationality Act of 1952 (McCarran-Walter Act):
- The McCarran-Walter Act retained the national origins quota system but eliminated racial restrictions on naturalization. It was the last major immigration legislation before the Immigration and Nationality Act of 1965.
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Immigration and Nationality Act of 1965 (Hart-Celler Act):
- The Hart-Celler Act marked a significant shift by abolishing the national origins quota system. It established a preference system based on family reunification and skilled immigrants, opening the door to increased diversity.
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Refugee Act of 1980:
- The Refugee Act of 1980 created a comprehensive system for admitting refugees into the United States and set annual limits on refugee admissions. It defined refugees based on humanitarian criteria.
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Immigration Reform and Control Act of 1986:
- This legislation granted amnesty to certain undocumented immigrants who had been in the country since 1982. It also imposed penalties on employers who knowingly hired undocumented workers.
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Illegal Immigration Reform and Immigrant Responsibility Act of 1996:
- The 1996 law increased border enforcement measures, expanded grounds for deportations, and limited access to social services for undocumented immigrants.
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Deferred Action for Childhood Arrivals (DACA) (2012):
- President Barack Obama introduced DACA to provide temporary relief from deportation and work authorization for certain undocumented individuals who came to the U.S. as children.
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Trump Administration Policies (2017–2021):
- The Trump administration implemented policies such as the “Muslim ban,” family separations at the border, and efforts to restrict asylum seekers. These measures were met with legal challenges and public outcry.
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Biden Administration and Immigration Reform:
- The Biden administration has proposed comprehensive immigration reform, including a pathway to citizenship for undocumented immigrants, DACA protections, and measures to address root causes of migration.
U.S. immigration policy has continually evolved, reflecting changing societal, economic, and geopolitical dynamics. Debates over immigration remain central to American political discourse.