“The World War has accentuated all our differences,” a journalist observed in 1919. “It has not created those differences, but it has revealed and emphasized them.” In the war’s immediate aftermath, thousands of strikes revealed continuing labor tensions. Violent riots exposed white resistance to the rising expectations of African Americans, while an obsessive hunt for “foreign” radicals — like angry denunciations of Hollywood’s Latin Lover — showed that ethnic pluralism would not win easy acceptance.