Why did the ability to walk upright and the development of the opposable thumb represent important breakthroughs for early hominids?

Why did john browns raid impact the national issue of slavery?

1.     in what kind of government does a small group have a firm control over a country?  

Me a slaveowner who worked a slave to death or be a slave to death, a. cannot be tried for murder in criminal court but could be sued for wrongful death in the civil court b. cannot be tried in court because there was no law against the mistreatment of slaves. c. could have his form or plantation confiscated by the state and sold to the highest bidder. d. could be tried for murder in most southern states.