How did the serving in the war affect the soldiers?

What were some of the major changes to peoples daily lives after the Civil War? What humanbeings were involved in the Berlin airlift? How did Salvino D'Armate die? Why is the battle of sabine pass important? What brought France and Germany twice to brink the war of the early 1900? How did Bismarck use war to strengthen pruissa? How did the cold war develop? What was the importance of the battle of the bull run? Did Britain have MI5 in world war 1? What war were kepis used in? Who won the arms race during the cold war? What was the bloodiest Indian battle? Were acid showers used during the holocaust? Why was the cavalry first sent to the plains? How many men did Samuel de Champlain have? What did people take with them while being evacuated? Why did Germany ask the allies for an armistice in November 1918? What possessions did Spain retain in the pacific? What order did union William Tecumseh Sherman give his troops on their March to the sea? In WW1 What did Germany say to Russia when Russia moved troops to the German border What was Russia's reaction What did Germany do next?