In the united states, slavery did not become a lasting institution in northern states mainly because the North did not rely on field agriculture, like the South did.
The English Civil War has many causes but the personality of Charles I must be counted as one of the major reasons. Few people could have predicted that the civil war, that started in 1642, would have ended with the public execution of Charles. His most famous opponent in this war was Oliver Cromwell – one of the men who signed the death warrant of Charles.
Answer: a senator from each party!
I would say conquistadors