<span>The largest of China's administrative regions, Xinjiang borders eight countries - Mongolia, Russia, Kazakhstan, Kyrgyzstan, Tajikistan, Afghanistan, Pakistan and India - and until recently its population was mostly Uighur. Most Uighurs are Muslim and Islam is an important part of their life and identity.</span>
TBH I think that it is C) If i am wrong many apologies
Well the main difference was that the South was using slaves while the north were already using machines and the north never used slaves
