B is the answer
good luck
Because if states didn't work together their would be another civil war
Answer:
Many scholars believe that the collapse of the Indus Valley Civilization was caused by climate change. By 1800 BCE, the Indus Valley climate grew cooler and drier, and a tectonic event may have diverted or disrupted river systems, which were the lifelines of the Indus Valley Civilization.
Explanation:
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MERCANTILISM<span>. </span>MERCANTILISM<span> is the name given to the </span>economic<span> doctrines and practices of major trading nations roughly from the fifteenth through the eighteenth centuries. Colonial empires such as those of England, France, and </span>Spain<span> were among those adhering to the mercantile </span>system<span>.</span>