Final answer:
The best structure for Niles' report on the events that lead to the outbreak of World War II is the chronological structure, presenting the information in the order that events occurred.
Step-by-step explanation:
The best structure that Niles can use for his report on the events that led to the outbreak of World War II is the chronological structure. This means that he would present the information in the order that events occurred, from the Treaty of Versailles to the invasion of Poland and the subsequent declarations of war. By using a chronological structure, Niles can effectively show the cause and effect relationships between the events that ultimately led to the outbreak of the war.
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