Answer:
Under the Shang Dynasty, the Chinese built huge cities with strong social class divisions, expanded irrigation systems, monopolized the use of bronze, and developed a system of writing. Shang kings were believed to fulfill sacred, not political, purposes.
Explanation:
A historian would use a calendar when he is trying to find the dates of when the event occurred, such as the dates of a battle, natural disaster, or how long a type of government has ruled.
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Many people were able to move closer to their jobs
American settlers rebel against Mexico because they wanted overthrow Santa Anna.
