D) roughly 200 Cheyenne men, women, and children were slaughtered by American soldiers
<em>The Vietnamese generals with the support of the United States are the ones</em> who began plotting a coup to overthrow Ngo Dinh Diem. At first, the U.S. government firmly denied the accusation however, it was proven later that they indeed supported the group who created the coup.
Answer:
There was no violence demonstrated.
Explanation:
It was called the "Velvet Revolution" because the protesters had decided to abandon all forms of violence for the duration of their rebellion.