A is correct my facebook is zane alaxia I am btw I go to connexus also
This one is the cause:
<span>growth of the factory system.
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<span>Growth of the factory system lead to pollution (from the factory chimneys), it made people move from farms to the cities and as a result the number and size of cities increased. </span>
Seems most likely <span>c. he believed a commander should not profit from war.
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The answer is actually Complex drainage systems to keep structures from flooding.
Shortage of money, gun powder, and food
