<span>China's Inner Mongolia, hope it helps.</span>
Well, probably just to make the story interesting.
Answer:
Lincoln said that the war may need to last long enough to balance the evils of slavery. Slaveholders have gained great wealth from 250 years of unpaid labor by slaves, and the war might last until all that wealth has been lost.
Explanation:
The methods of magic may help scientists learn how to manipulate/trick a humans awareness