Firstly Brutus gave speech on Caesar's funeral.He changed the minds of people through his speech and convinced them with his act of killing Caesar for the love that he had on Rome.Then Antony's speech stirred the emotions of people and make them realize the truth that Brutus has committed mistake.After his speech people ran towards Brutus to kill him but he escapedĀ and later on fearing for defeat BrutusĀ killed himself with the same sword that he used for killing Caesar.Cassius also committed suicide.