 Towards the end of the war, especially in defense of static targets as in the battles of Cold Harbor and Vicksburg, trench networks foreshadowed World War I.Many of the lessons of the American Civil War were forgotten, when in wars like the Austro-Prussian War or the Franco-Prussian War, manoeuvre won the day.In the period preceding World War I, two of the most influential strategists were the Prussian generals, Helmuth von Moltke and Alfred von Schlieffen.