C. He had not left a strong leader in his place
so he had no security for his empire
How the executive branch interacts with the other two branches, since there are three branches in total in the government, is by enforcing laws that were passed by the Congress and are considered legal by the judiciary. The answer is the last option. Hope this helps.
He was taking away power from the Senate and wanted to become a single emperor who would rule everything. They disliked this because they would lose their status and wealth and wanted to stop him in order to keep being where they are and remain as powerful senate members. They led the opposition in secrecy.
