The answer is income taxes
Answer: C) protected plebeians against unjust treatment by patricians.
The tribune was the title of several elected officials in ancient Rome, most importantly the Tribune of the Plebs and the Military Tribunes. The Tribune of the plebs acted as a check on the authority of the senate and the annual magistrates, intervened on behalf of plebeians and vetoed unfavourable legislation.
Moreover, the plebeians obtained protection from the Law of the Twelve Tables. This legislation was at the foundation of Roman law. It was displayed in the Forum and stated the rights and duties of Roman citizens.
Most likely C if not c it’s b