How many letters were written in World War 1 from soldiers?

Which supports the idea that France was the first unsure about who would win the war Apex? What two countries lost the most territory after world war 2? What forced the us into the WWI? How were the efforts of General Grant and Sherman at the end of the war similar and different? What is the current death toll of the Vietnam war? What is Sepoy Mutiny? What were the war tactic used by the Germans which meant lighting warfare? Who played Field Marshal Erwin Rommel in film? What was not among the five things the invaders hoped for? Where can one learn the history of the Mouseman? Who were the Special forces in Vietnam? Why does Robert kill himself in the end of I Am Legend? In December of what year did Washington and his troops arrive in valley forge? What is an agreement bteween nations? Who Occupied The Philippines? Why is the policy of appeasement not likely to result in a lasting peace when used with an aggressive nation? What country was sided with Germany? Where did the world war 1 soldiers live and sleep? Where is Fort Bragg located? Why did grant stop his troops from celebrating at the end of the war?