From first to last: First Barbary war, embargo act, non intercourse act, battle of Tippecanoe, declaration of war 1812, USS Chesapeake incident, battle of put-in-bay, battle of lake champlain, treaty of ghent, battle of new orleans.
United States because not only did they help them win but they mainly founded The League of Nations to create peace.
Brazil getting coffee was a result of the Colombian exchange so your answer would be B
For the last question the answer is C.
It says departed, so i believe it’s return to Germany but i’m not so sure. good-luck on your assignment!