Answer:
Rich land of cotton plantation
Yes, it was the Boxer Rebellion. :))
The creation of technology such as saddles, stirrups, and even caravans were integral in the growth of the Silk Road because it allowed more people to travel them.
I believe the correct answer is C. They turned their attention to women's rights.
Having seen how people of color were struggling to get equal rights, the women began to question their own rights and came to the conclusion that they weren't in fact equal to their male counterparts. This is why they started fighting for their own freedoms, and managed to start it all at Seneca Fall Convention in 1848.
A and B are incorrect because it wasn't these two women who started the Union and the Society.