Because of sorcery who did all the people think Simon the sorcerer was?

ANSWER

The great power of God

Acts 8 :

(9) Now for some time a man named Simon had practiced sorcery in the city and amazed all the people of Samaria. He boasted that he was someone great, (10) and all the people, both high and low, gave him their attention and exclaimed, “This man is rightly called the Great Power of God.” (11) They followed him because he had amazed them for a long time with his sorcery.
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