How was the trench warfare during world war 1?

Did Canada have a large or small effect on the D-Day invasion of Normandy? What is the purpose of military customs? How many commanding generals had Lincoln gone through by June of 1863? What did the triple alliance become known as once the war started? What caused world war 2 to start? How many Canadian troops were used on D-Day? Impact of operation rolling thunder? What part of speech is the word militia? How do you upload battle reports on Evony so your alliance can see them? Who ruled in 1812? What did prisoners do in prison camps during civil war? Who is the head of the seagull navy? Where did the corps go after they left the mandan? What changes did American citizens and industry have to make to adapt to the war? What is the most deadliest weapon in the world? Where was the taser invented? What two large alliances took shape before the beginning of World War 1? What sorts of things can change peoples' perspective of war? Which wars were during the 60's? Who invented Americans G.I. FORUM?