Polar, temperate, and tropical zones
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Napoleon's biggest effect was the spread of nationalism, which later cause great World Wars. As Napoleon expanded the French Empire, he took over many countries and led them to find an overpowering sense of nationalism.
It can be said that many Americans did not view President Wilson's goal of establishing an international peacekeeping organization after world War 1 very well, as Wilson was defeated in the election that took place after the war. During the War, the Americans were ready to take all kinds of pain for the country to win the war,
Answer: The answer is D) Increased settlement of frontier land
Explanation: I got it correct.