The single most accurate predictor of whether a person voted for Donald Trump in the 2016 election was not religion, wealth, education, or even political party; it was believing the United States is and should be a Christian nation.26 Researchers studied this connection and were able to control for other characteristics to ensure that Christian nationalism was not simply a proxy for other forms of intolerance or other variables related to vote choice.27 They concluded, “The more someone believed the United States is—and should be—a Christian nation, the more likely they were to vote for
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