When Adam sinned, He conquered Adam who was ruler of the earth and now reside as ruler. Ephesians 2:2 is the prince power of the air and sets the course of this world.
“Wherein in time past ye walked according to the course of this world, according to the prince of the power of the air, the spirit that now worketh in the children of disobedience”
Ephesians 6:12 states rulers of darkness,
“For we wrestle not against flesh and blood, but against principalities, against powers, against the rulers of the darkness of this world, against spiritual wickedness in high places”.
There is a hierarchy where Satan angels (fallen) are over certain geographical areas
Daniel 10 depict a war spiritual battle of evil angels and Gods angels. It took Daniels prayer 21 days for answer.
10:10-12 Then said he unto me, Fear not, Daniel: for from the first day that thou didst set thine heart to understand, and to chasten thyself before thy God, thy words were heard, and I am come for thy words. But the prince of the kingdom of Persia withstood me one and twenty days: but, lo, Michael, one of the chief princes, came to help me; and I remained there with the kings of Persia.
Michael the archangel watches over Israel Daniel 12:1
Humans are till accountable for their own behavior (sins) look at what happened before the flood. God allows Satan to have an agenda until the coming of our Lord.
It's only going to get worse.