[填空题]There are many expenses included in military operations. The more{{U}} (36) {{/U}}the military is, the more costs are{{U}} (37) {{/U}}. Where does a country get the money to go to war During World War Ⅱ, it was through the sale of war bonds. It was in the spring of 1941. And it became{{U}} (38) {{/U}}obvious that the U. S. would be drawn into the European{{U}} (39) {{/U}}. In May, the series E Defense Bonds were issued. When war was{{U}} (40) {{/U}}, the name of the bonds was changed from defense to war to{{U}} (41) {{/U}}the patriotism of the people. The War Bonds not only raised money for the government but also acted as an investment for the general public. A ten dollar bond was{{U}} (42) {{/U}}for $7.50 or 75% of its face value. In ten years the bond would reach{{U}} (43) {{/U}}and be worth its face value. {{U}} (44) {{/U}}. Many people could not afford even the least expensive bonds, yet they wanted to participate. The key to selling the bonds and paying