Historians organize information about the past into historical narratives in order to

Historians organize history by dividing it into blocks of time. Reading Focus Have you ever thought about the names given to a block of events, such as “summer vacation” or “the baseball season?”

Explanation:

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they bring people together to achieve control of the government

basically choosinng what sets in   congress and presdicny this is to keepthe antion hole and so it can last because wiht out authority it wouldnt last a week