Patriotism became the central theme of advertising throughout the war, as large scale campaigns were launched to sell war bonds, promote efficiency in factories, reduce ugly rumors, and maintain civilian morale.
Patriotisme menjadi tema sentral dari periklanan sepanjang perang, karena kampanye-kampanye berskala besar meluncurkan penjualan bon-bon perang, mempromosikan efisiensi pabrik-pabrik, mengurangi rumor-rumor tak diinginkan, dan mengutamakan moral warga sipil.