Answer:
A. areas where women have power
Explanation:
The question is related to the informational text written by Andrew Matthews. The text talks about the "sphere of influence" of women during the olden days of American history and how they fought to set a change in the areas where they have power.
In the first paragraph, the "sphere of influence" refers to the power of women in their home and family. These were the "only" areas they could have a say. In the other areas, they were not able to contribute to anything.
Over time, they began to speak up and their role in society was broadened. Women's power also expanded in different areas, other than their homes and families.
So, this explains the answer.