Rare US WWI Broadside Against Germany, 1917 National Security League WW1

A rare printed broadside from the National Security League calling for the United States to enter the First World War against Germany. Written by William English Walling, noted American Socialist and co-founder of the NAACP. An interesting piece of American pro-war propaganda.

Some creasing/loss to upper corners, 30.3cm by 15.2cm.