Why Did Julius Caesar Join The Conspiracy Analysis

At the beginning Brutus is contemplating joining the conspiracy while walking around in his garden really late at night. Brutus makes the decision that Caesar must die not only for his good but for the good of the town’s people. Later that night while he is trying to make his decisions he demands for his servant Lucius to light a candle in his room. When Lucius came back from getting a candle he gave Brutus a letter he found. The letter says that he should do something before Rome turns to a tyranny of a monarch. They then figure out that it is the Ides of March. The group of conspirators shows up on Brutus’ doorstep looking all shady and in disguise. Cassius introduced all of the conspirators to Brutus. Brutus says they shouldn’t swear by an oath.
They decided he shouldn’t join. Cassius then hints that they should kill Antony. Decius tells everyone not to freak out because he will make sure that Caesar will go to the Capitol in the morning. Everyone meets at the Capitol for the killing of Caesar. Once everyone leaves Brutus’ wife, Portia, shows up to have a conversation with Brutus. Brutus tells her that he is a bit sick. She says that she deserves to know who the people were that were on the doorstep the other night. Brutus sends Portia back to bed and tells her he’ll tell in who they were in the morning. Caius Ligarius was the one that knocked on their door. He said that he was really excited when he heard about the killing