20. It can be inferred that the main argument of this passage is that the women's suffrage movement in the United States:

Answer and Explanation

Your Answer is

Correct Answer is H

Explanation

lines 67-74 indicate that the movement for women's voting rights has gradually expanded, from an "isolated, persistent women" to "a movement of women to reform a world that most Americans regarded as badly in need of change"; The range is getting wider and wider, and the support is getting more and more; so choose H;