<em><u>The answer is</u></em>: <u>O The government was ruled by one leader.
</u>
Explanation:
The Empire is the system in which the real political power was in the hands of a single individual, the emperor. It was inaugurated with Emperor Augustus. The Senate was limited to being a supportive body of that political power.
<em><u>The answer is</u></em>: <u>O The government was ruled by one leader.
</u>