Final answer:
The central argument expressed in the controlling idea is that women are not the only ones who benefit from equal education.
Step-by-step explanation:
The controlling idea states that both men and women must be educated to have the same knowledge. The central idea argues that giving women rights will benefit both men and women. In this context, the central argument expressed in the controlling idea is that women are not the only ones who benefit from equal education. By receiving the same education, men can also improve their knowledge and understanding of the world.
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