That is they do not have the breath of life. They cannot breath, walk, nor can they talk. This is probably a reference to Jeconiah, who is told to sit down or humble himself as his state or kingdom shall be destroyed and he shall lose his crown or position of authority. The power of government is exercised by kings, rulers, and those under them having power or authority. It is those people having power who are in high places or high ranking offices, and who are the rulers of this world.
Power is exercised by wicked rulers in high places.
It is government who arrests pro-lifers and puts them into jail. It is government who arrests and jails people who stand for any unpopular religious principle. Christ was tried by the Jewish government and His opponents at law were the members of the Sanhedrin, and as such they could certainly be called devils. They were His false accusers and they were responsible for His trial and execution. At the time of Christ the flesh and blood enemies, the flesh and blood devils, or the flesh and blood false accusers of Christians were the Jewish and Roman authorities and they cast many into prison.