How Is a Government's Power Different Than Its Authority

How is a government's power different than its authority?

A) Power is what allows a government to get individuals to obey the laws, while authority is what allows the government to make laws in the first place.
B) Power allows a government to make laws for its citizens to obey, whereas authority is required to enforce those laws.
C) Power is what allows the government to protect the rights of citizens, while authority can be abused to infringe upon rights.
D) Power is what makes a government legitimate, whereas a government only has authority once it as seen as legitimate.