 Complete the following phrase:  The Justice Department prepared a list of all German aliens, counting approximately 480,000 of them, more than 4,000 of whom were imprisoned in 191718. The allegations included spying for Germany, or endorsing the German war effort. Thousands were forced to buy war bonds to show their loyalty. The Red Cross barred individuals with German last names from joining in fear of sabotage. One person was killed by a mob; in Collinsville, Illinois, German-born Robert Prager was dragged from jail as a suspected spy and lynched. A Minnesota minister was tarred and feathered when he was overheard praying in German with a dying woman. Questions of German American loyalty increased due to events like the German 