This is very revealing, a power/principality that rules over the kings of earth. It is put into their hearts, it is God's will (just as He has given them over kjv@Romans:1 ) to follow. They will follow wholly to make war against the Lamb. She is identified as a city with seven hills (often thought of as Rome). The seventh and eight king of which are the beast. She is presented in continuous present tense as old as Babylon and young as the martyrs of the Lamb.
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