The coup d'etat of South Vietnamese President Ngo Dinh Diem that resulted in his assassination was accomplished by Henry Cabot Lodge, Jr. and the CIA. The Central Intelligence Agency of United states of America was fully aware of the incident that was going to take place and they decided to inform the people making the coup that USA will alienate itself from this incident.
I’m pretty sure it’s C because all throughout history women have worked on this but in the 1800-1900s more women joined together and brought many changes to the way society functions today. Hope this helps!