He was over come by wrath at the murderers
they fled the country
Lady Macduff is upset at Macduff for leaving her and her kids behind,and she thinks that he is a traitor and that. he should be punished for his actions, but even though she is mad a macduff she is also happy that he put his ambitions above all matters. And Lady Macduff still loves him even though he left them behind, which shows that she still cares and the she is worried if anything happens to him.
"You spirits who tend on mortal thoughts". Later she calls them "murdering ministers". It is not clear where these spirits would fit into any kind of known religious belief.
macduff.
king duncan will have him executed
Fleance
Security
a teribble thunderstorm
It means that "murder has become unrestrained" i.e. killings are mounting up and seemingly out of control.
the king of Scotland
knell
gifts A+