If perhaps they were wrong and he might become king one day
If there is any room for free will in the world or if all is fate
If his descendentes will really become kings
If he could bribe or threaten them into changing the future
He fears that Banquo and his sons will cut short his reign
He believes Banquo to be a loyal friend
He thinks Banquo is planning on murdering him
In his madness, he forgets who Banquo is
Protect him from assassins
Kill Macduff and his family
Find the witches so he can talk to them again
Kill Banquo and his son
No, but she'll help him if he does.
Yes, she thinks the business won't be done until they are both dead.
She's not sure.
She opposes it and threatens to stop Macbeth if he does.
Yes, both kill both of them.
No, they both escape and want revenge.
A lot of battles
A poor king
Here's an interesting quiz for you.