I looked it up and it seems that the best best answer would be RISE AND FALL OF DYNASTIES.
Answer:
The US's decision to invade Afghanistan and also Vietnam.
Explanation:
These were both politically driven wars, mainly because of the US not wanting communism to grow in Vietnam and fighting terrorism in Afghanistan.
The US intervened by trying to stop how Vietnam runs it's country politically and by how Afghanistan runs it's country.
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.
Slave masters and those in power didn't want their slaves to have an education for a couple of reasons:
1. They wanted to keep the better jobs (which generally required more education) among the white population.
2. An educated slave would have more power to revolt against their masters, and they would be able to communicate their rebellious ideas through books and letters rather than by word of mouth.