People gathered in downtown Dallas on Jan. 30 to protest President Trump’s executive order on immigration and refugees. (LM Otero/Associated Press)

On Jan. 27, President Trump signed an executive order temporarily prohibiting visa holders and immigrants from seven majority-Muslim countries from entering the United States, as well as halting the admission of refugees. Many critics describe the order as effectively a partial Muslim ban, and the American Civil Liberties Union argues it is likely unconstitutional.

Recent polling, however, indicates that at least a plurality of Americans see no problem with it. A Reuters/Ipsos survey found that 49 percent of Americans agreed with Trump’s executive order, while 41 percent disagreed and 10 percent offered no opinion.

This is not the first time that government policies restricting the civil liberties of minority groups have been supported by many Americans. Japanese internment during World War II is one such example. In February 1942, a little over two months after the attack on Pearl Harbor, President Franklin Roosevelt issued Executive Order 9066, which was titled “Authorizing the Secretary of War To Prescribe Military Areas.”

Much as Trump’s executive order does not actually contain the word “Muslim,” Roosevelt’s executive order did not include the word “Japanese.” However, the result of the order was that more than 100,000 people of Japanese ancestry — the majority of whom were U.S. citizens — were forcibly removed from their homes and placed in government camps.

In the midst of a war waged partially against the Japanese Empire, a large number of Americans supported such actions. In December 1942, for example, a Gallup survey asked whether “the Japanese who were moved inland from the Pacific coast should be allowed to return to the Pacific coast when the war is over.” Just 35 percent of Americans said that those in the internment camps should be allowed to return to their homes in the war’s aftermath. Of the 48 percent that said they should not be allowed to return, 63 percent wanted to “send them back to Japan” or “put them out of this country,” while 7 percent said just to kill them.

Fred Korematsu, a Japanese American citizen living in California, defied the government’s orders by staying in his home. Korematsu ultimately appealed his arrest all the way to the Supreme Court. In December 1944, the Supreme Court ruled 6 to 3 in Korematsu v. United States that the executive order was constitutional. Justice Hugo Black, writing for the majority, argued that Japanese internment reflected “real military dangers” and was not based on “racial prejudice.”

Such racial prejudice, however, was evident in the American public. A September 1944 National Opinion Research Center survey, for instance, found that 61 percent of Americans thought that whites should be prioritized in hiring decisions over Japanese Americans. Notably, 21 percent took the “moderate” position that each should receive equal opportunity, but only if the Japanese American candidate was a loyal U.S. citizen. Just 16 percent of respondents said Japanese Americans should have the same chance at a job as white people without offering such a qualification. Surveying the available polls, a 1945 article in Far Eastern Survey declared bluntly that “many people in the United States dislike and distrust all Japanese, Issei and Nisei alike, and there are indications that this feeling may continue to be translated into social and economic discrimination even after the war is over.”

In more recent decades, however, a growing number of Americans came to see Japanese internment not as a necessary means to achieve security, but rather as one of the greatest civil liberties violations of the 20th century. Calling Korematsu “one of the worst decisions in history,” Erwin Chemerinsky, Dean of the UC-Irvine School of Law, described Japanese internment as “an instance where the government infringed on the most basic liberties of Japanese-Americans, solely on the basis of race, without in any way making the nation safer.”

In 1976, President Gerald Ford issued a proclamation acknowledging that “not only was that evacuation wrong, but Japanese-Americans were and are loyal Americans.”

Korematsu’s conviction was finally vacated in 1983 by Judge Marilyn Hall Patel, then a California federal district court judge. The Supreme Court’s 1944 ruling, she wrote, “stands as a caution that in times of distress the shield of military necessity and national security must not be used to protect governmental actions from close scrutiny and accountability.”

In 1988, Congress passed the Civil Liberties Act, which was signed by President Ronald Reagan. The bill offered an official apology for Japanese internment and provided reparations to more than 80,000 survivors and their families.

Talking to University of Hawaii law students in February 2014, the late Supreme Court Justice Antonin Scalia said of Korematsu: “It was wrong, but I would not be surprised to see it happen again — in time of war. It’s no justification but it is the reality.” Scalia’s remarks find support in the history of American public opinion. Large numbers of Americans have often supported policies that, in retrospect, are recognized as serious violations of civil liberties.

This is particularly true when security concerns have racialized overtones, as was the case with the fight against Japan during World War II. Our contemporary conversation about refugees and immigration could benefit greatly from a recognition of this tendency. The history of Japanese internment indicates that public opinion — which can itself be shaped in part by how the questions are worded — is not always a guarantor of minority rights.

Steven White is a visiting assistant professor at Lafayette College.