Answer: it helped to unify China (create a centralized bureaucracy), standardized money, weight etc. which helped trade. Accomplishments: built the Great Wall
Explanation: sorry it’s past midnight
Answer:
Historians did not learn much about the Harappan civilization from written sources because its writing system has not yet meen figured out. They learned much from building remains, like the drainage system, and where grains were stored.
Explanation:
Since 1789, congress has sent 33 constitutional amendments to the states for ratification. Of these, 27 have been ratified.
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They used them by having the Indians work and change religions
