'Immigration Act of 1917' Turns 100: America's Long History of Immigration Prejudice

Health inspectors examine detainees on Angel Island, California, circa 1917.
(Image credit: National Archives and Records Administration)

One hundred years ago today (Feb. 5), Congress passed the Immigration Act of 1917, the first legislation to dramatically limit immigration into the U.S. It introduced rulings that singled out specific countries and ethnicities, and included conditions that favored privilege over need. 

While many people view immigration as a cornerstone of America's journey and continued success as a country — a position outlined by White House representatives under President Barack Obama — sweeping restrictions such as those put forward in 1917 also shaped the United States' immigration story.

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Mindy Weisberger
Live Science Contributor

Mindy Weisberger is a science journalist and author of "Rise of the Zombie Bugs: The Surprising Science of Parasitic Mind-Control" (Hopkins Press). She formerly edited for Scholastic and was a channel editor and senior writer for Live Science. She has reported on general science, covering climate change, paleontology, biology and space. Mindy studied film at Columbia University; prior to LS, she produced, wrote and directed media for the American Museum of Natural History in NYC. Her videos about dinosaurs, astrophysics, biodiversity and evolution appear in museums and science centers worldwide, earning awards such as the CINE Golden Eagle and the Communicator Award of Excellence. Her writing has also appeared in Scientific American, The Washington Post, How It Works Magazine and CNN.