It should be after competitor. the colon will separate the sentence from what he has an advantage over.
Answer:
a) It takes into account human history and human behavior.
He worked hardhe worked hardhe worked hardhe worked hardhe worked hardhe worked hardhe worked hardhe worked hardhe worked hardhe worked hardhe worked hardhe worked hardhe worked hardhe worked hardhe worked hardhe worked hardhe worked hardhe worked hardhe worked hardhe worked hardhe worked hardhe worked hardhe worked hardhe worked hardhe worked hardhe worked hardhe worked hardhe worked hardhe worked hardhe worked hardhe worked hardhe worked hardhe worked hardhe worked hardhe worked hardhe worked hardhe worked hard