Can someone help me? pls

Which statement describes an important outcome of the congress of vienna? a. napoleon launched his final european military campaigns. b. european states had their borders clearly defined. c. jewish people were given equal right in germanic states d. the slave trade became increasingly important to european economies.

What were two reasons for world war ii? -separation of nationalities -territorial disputes over lost territories -settlement in the previous war suited the monarchs

The soldiers in the novel use the phrase "it all looked good on paper" several times throughout their experiences. what does this mean in the context of the war?