Answer:
The balance of power in Rome was such that tribunes could reject decisions that were unfair to plebeians.
Balancing power in Rome
The Senate passed laws and were usually controlled by the upper class patricians.
The Tribunes were made up of the lower class Plebeians.
The tribunes may not have controlled the Senate, but they could reject laws that the Senate passed which were unfair to the plebeians thereby placing a check on Senate power.
In conclusion, option B is correct.
Explanation:
