Answer:
Indus Valley Civilization, built along the Indus River
Explanation:
It was developed here because of the silt left behind from flooding, which allowed people to grow crops. The river would have brought many resources, such as food, like fish or other animals coming for a drink. It was also useful for irrigation.
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The sepoys were frustrated with equal treatment explanation
27.) B.) Europe's system of military alliances enlarged small conflicts
28.)Germany and russia formed a alliance to start world war 1