Answer:
1st part
A consul held the highest elected political office of the Roman Republic, and ancient Romans considered the consulship the highest level of the cursus honorum. Each year, the citizens of Rome elected two consuls to serve jointly for a one-year term.
2nd part
There were two consuls to create a check on the power of any individual. After the establishment of the Empire (27 BC), the consuls became mere symbolic representatives of Rome's republican heritage and held very little power and authority, with the Emperor acting as the supreme authority.
Step-by-step explanation:
1st part
A Roman consul was the highest elected political office of the Roman Republic. Each roman consul was given the power of controlling each decision.
2nd part
They were two counsels to control authority and see no revolution.