Answer:
The correct answer is “magistrates, senate, and tribunes”
Explanation
Before Julius Cesar, the Roman government was separate in three parts in order to guarantee that the laws were fair, and everyone was represented correctly without leaving anyone apart.
The magistrates were officials that practiced law acting like priests who governed in the name of the Senate and people
The Senate was a group of 300 people who counselled the officials, previously elected, controlled finances and dealt with foreign relations.
The tribunes where in which the citizens voted for laws and officials.