A forgotten, dark chapter of American history with implications for the current day, The Guarded Gate tells the story of the scientists who argued that certain nationalities were inherently inferior, providing the intellectual justification for the harshest immigration law in American history.

Brandished by the upper class Bostonians and New Yorkers - many of them progressives - who led the anti-immigration movement, the eugenic arguments helped keep hundreds of thousands of Jews, Italians, and other unwanted groups out of the US for more than 40 years.

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The Guarded Gate tells the complete story from its beginning in 1895, when Henry Cabot Lodge and other Boston Brahmins launched their anti-immigrant campaign. In 1921, Vice President Calvin Coolidge declared that “biological laws” had proven the inferiority of southern and eastern Europeans; the restrictive law was enacted three years later.

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A work of history relevant for today, The Guarded Gate is an important, insightful tale that painstakingly connects the American eugenicists to the rise of Nazism, and shows how their beliefs found fertile soil in the minds of citizens and leaders both here and abroad