The U.S. tradition of military parades dates back to the Civil War era.
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President Donald Trump on Wednesday defended his Fourth of July extravaganza growing questions about his expense and concerns that he is politicizing in an annual holiday celebration. But critics denounced the celebration, which the White House is calling a "Salute to America," as a costly and unnecessary spectacle that is injecting politics into what has traditionally been a feel-good, patriotic and decidedly non-political affair.
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