How did the war affect America's economic situation-apex?

Where was World War 1 fought mainly? What did southern soldiers often find when they returned home during the civil war? What was the name of the war plan for World War 1? What weapons were used in the 3 Crusade? What limits did the Treaty place on Germanys armed forces? Did Thomas Jackson survive the war? When was slavery finally ended? Who was US president during battle of Iwo Jima? What military lessons were learned at battle of saratoga? How did the Battle of Midway change the war in the pacific? What were some of the reasons that soldiers on both sides enlisted to fight in the civil war? Which was no a principal of liberalism during the cold war? What were the four beaches of the D-day invasion? Where in England were US troops stationed during World War 2? Who will die in gears of war 3? Why did more soldiers survive wounds in the second world war then before? Who invented nuclear bombs and why were they dropped on two Japanese cities during World War 2? Where is the Cut Bank World War 2 Airman Memorial in Cut Bank Montana located? What were some of the new weapons introduced during world war 1? How important martial law?