The U.S. Supreme Court this week reaffirmed the constitutional guarantee of birthright citizenship, rejecting President Donald Trump’s attempt to end the longstanding practice of granting citizenship to nearly all children born on U.S. soil.
As the justices considered the history of birthright citizenship in the United States, they turned to the work of UC Berkeley History Professor Hidetaka Hirota, whose 2017 book “Expelling the Poor: Atlantic Seaboard States and the Nineteenth-Century Origins of American Immigration Policy” was cited in the decision.













































































