The phrase that best develops this personification of tyranny in stanza 2 is "I, young in life, by seeming cruel fate
, was snatch’d from Afric’s fancy’d happy seat". In this phrase, Wheatly describes her capture from Africa as a very unfortunate and troublesome experience.
They both work together, but separation of powers divides the branches and checks an balances helps ensure that one branch doesn't get too powerful or powerful than the other.
A. Have illusions and hallucinations