The only "Demon," "Unclean Spirit" is Selfishness in whatever guise.

David Dellinger is probably the most wise, influential, self-sacrificial activist for peace and justice of the last 100 years in the US. David said of WWII:

"Few chose war. The chose selfishness, and the result was war."

This is hard to see. This is utterly essential to see. Shift your paradigm, before it is too late.