Sparta fought Athens in the Peloponnesian War in 431 BC because of Sparta's fear of the rising power of Athens.
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Well, the Battle of Midway changed our entire strategy going forward, as afterward, the US was able to push in with massive victories. one reason for this, was we sunk 4 Japanese Carriers which took a very long time to make. Ultimately, it was the turning point to us winning in the Pacific massively rather than minor, or hard-fought victories.
Answer: Nationalism can lead to political conflict that if someone from a different country has pride in their country but someone doesn't like that country that the other person has, this can cause political conflict and wars.
Explanation: For example, in a historic time person A likes and has pride in country A. Person B disagrees and likes and has pride in country B. If person A and B doesn't agree with either country A or B, it can result in political conflict and cause war. Either person A wins or person B wins.
Answer:
restriction of interest to a narrow sphere; undue concern with local interests or petty distinctions at the expense of general well-being.