This European country saw over a million migrants from Syria, Afghanistan, and other countries arrive by 2015, triggering a political backlash.
Germany
This controversial 20th-century ideology sought to control human reproduction based on perceived genetic superiority.
Eugenics
This 1965 U.S. law abolished racial quotas and opened immigration to non-European countries.
Hart-Celler Act
This ecologist’s Tragedy of the Commons warned against the overuse of shared resources
Garrett Hardin
The slogan "Build the Wall" became a rallying cry for supporters of this political movement.
U.S. anti-immigration movement
The 1908 musical promoted this idea, which viewed immigrant assimilation as a means of creating a unified American identity.
The melting pot theory
Enacted in 1882, this U.S. law marked the nation’s first significant restriction on immigration by specifically targeting laborers from a particular Asian country.
Chinese Exclusion Act
This best-selling 1968 book by Paul Ehrlich predicted mass starvation due to overpopulation.
The Population Bomb
This 2011 civil war led to one of the largest refugee crises in modern history, with millions fleeing to Europe and neighboring countries.
Syrian Civil War
Shah details how past policymakers sought to preserve a nation’s so‑called pure genetic makeup by limiting both entry and reproduction. This pursuit of an untainted gene pool is encapsulated by the term ______.
Racial purity
This U.S. government agency revised its mission statement in 2018, removing the phrase “a nation of immigrants.”
U.S. Citizenship and Immigration Services (USCIS)
The “Allee Effect” is an ecological concept that suggests populations benefit from this.
Social cooperation
This Mediterranean country became a major entry point for migrants crossing from Turkey to Europe, especially through the island of Lesbos.
Greece
This Harvard zoologist and eugenicist feared that racial mixing would result in "hybrid monsters."
Charles Davenport
The Immigration Act of 1924, also known as the Johnson-Reed Act, was primarily designed to restrict immigrants from these regions.
Southern and Eastern Europe
Originating with an 18th-century scholar, this theory contends that unchecked population growth will eventually outpace food production, leading to widespread famine unless natural or social checks intervene.
Malthusian theory
The European Union border control agency that works to prevent unauthorized migration and rescue stranded migrants at sea.
Frontex
Often regarded as the father of eugenics, this British scientist introduced the idea of improving human populations through selective breeding—a concept that influenced policies across the globe in the early 20th century.
Francis Galton
In her analysis of modern border politics, Shah examines Australia’s approach to asylum—a policy that processes asylum seekers offshore rather than on the mainland. This controversial method is known as ______.
Pacific Solution
Shah discusses how every ecosystem has a limit to how many organisms it can sustain without degrading its resources—a principle that has long influenced debates on human overpopulation and migration pressures.
Carrying capacity