With Brutus, remember that history is written by the winners. Brutus lost. He killed Caesar, but was defeated by Marc Antony and Octavius Caesar. read more
Through Brutus, Shakespeare illustrates how even an honorable man attempting to create a better society by removing a tyrant will provoke chaos and disaster if he cannot both acquire and maintain the support of the people. read more
There is a fantastic book called Caesar: A Life in Western Culture that traces the way the perception of Caesar has shifted in the past 2000 years. I would suggest trying to read it, because this is honestly far too complicated to answer in a post like this. That being said, Caesar has always been interpreted in relation to the time. read more
In Act 2 Scene 1 Brutus takes the dominant role, he has made up his mind about Cassius’ proposal and is confident, while Cassius has become weaker. Their characters have almost reversed. read more