MudNapoleon delayed his attack at Waterloo to allow the mud to dry. Had he attacked earlier, he might have defeated Wellington before Blcher arrived. In November 1942, Russian mud stopped the Germans, who could not advance again until the temperature dropped low enough to freeze the mud. During the Vietnam War, Project Popeye was an American attempt to lengthen the monsoon and cause delays on the Ho Chi Minh Trail. Soldiers have always known just how