Allows one group to control many companies. (Hope this helps)
Answer:
Christopher Michael Langan
Explanation:
Christopher Michael Langan (born March 25, 1952) is an American horse rancher and autodidact who has been reported to score very highly on IQ tests. Langan's IQ was estimated on ABC's 20/20 to be between 195 and 210, and in 1999 he was described by some journalists as "the smartest man in America" or "in the world".
Block slavery in the north and states having more power
C. to aid formerly enslaved African Americans in the South