The main points should have been arranged in causal order and the main points don't divide the topic consistently.
Option: A and C
Explanation:
Main points for a speech about the achievements of Ida Wells-Barnett violate the guidelines presented in your textbook for organizing main points. Proper guidelines should be maintained and for that all the points should have been arranged in causal order and the main points don't divide the topic consistently.
According to the time of event or time occurrence achievement list would be prepared and point wise division should not split the consistency of the topic. If it is then the relevance would get disturbed.