The south didn't grow crops very much, instead they grew cotton which made them rely on the North for crops and other materials. So the correct answer would be "B" since that seems like the most plausible answer.
Wanting to limit British influence along their frontier, the French built a string of forts from Lake Erie towards the forks of the Ohio (present-day Pittsburgh). Because rivers were so important to transportation, the forks of the Ohio was a strategically important location, one that both nations wanted to control.
Answer: Milan grow to be an important city-state in italy Thanks to its military force. .
Explanation . Almost all of the European empires conquered Milan at one point, however also the no-European powers that conquered Europe like the Huns and the Constantines also did it.
Until about 20 years ago, most scholars of Mongol-era China emphasized the destructive influence of Mongol rule. One major scholar of Chinese history even wrote: "The Mongols brought violence and destruction to all aspects of China's civilization. ... The Mongols perceived China as just one section of their vast empire.