Answer:
Pope Leo III's crowning of Charlemagne in 800 AD was significant because it gave papal legitimacy to Charlemagne's new role as emperor.
Explanation:
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Theodore Roosevelt was an imperialist and supported it because he was interested in the US maintaining its power for racial reasons. He believed that the white race was the most dominant over everyone else.
The school year was lengthened to 6 months and teachers were payed higher salaries.
