Alpine:(E) High Mountain ranges Tundra:(A) Alaska and Northern Canada Grassland:(C) Southwestern United States Deciduous forest (D) Central United States Desert: (B) Eastern United States I think am I correct.
One possibility is the geographical difference and the effect it has on people. Great Britain is an Island so it can feel relatively safe (see the fate of GB in WW2 as compared to the rest of Europe) and because of this it can afford a more separatist policy. continental Europe however need a closer cooperation between the neighbours, as they share physical land borders, and only peace and a close cooperation can give the feeling of safety (for example to German neighbors, close economic Union is the best defense against a possible attach from Germany).
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After several losses in the Pacific, such as the loss of the Solomon Islands(Dec 1943) and the loss of the Battle of Leyte Gulf (Oct 1944), I think Japan realised that it was fighting a losing battle. Kamikaze literally means 'divine wind' and was seen as a very honourable death. The Japanese were very resilient and by the end of the war kamikaze bombers had sunk 34 US ships and damaged 288 more. Not a very good answer to your question but hope it helps.