Pretty much the same things that would make you angry: being pinched or roughly handled, biting insects, cramped quarters, noise, hunger, competition for desired objects...
they fight
They get angry because that is their territory and you are invading it.
Riahanna ^^ she makes him very angry
Rovio makes Angry Birds.
Pollution makes the Earth angry. At least, in a metaphorical sense.
Hormones
It makes a burrow
being bullied
Adrenaline
rabbits go into trances because at the time they are thinking what to do at the next moment or if they are getting angry.
well rabbits make a good pet because they will learn to love u and bite something but if u get it angry it will stay away from u also the
a red flag