I think it's D because "Causation" is <span>the action of causing something.</span>
Answer: prevent Southern soldiers from selling captured African American soldiers
Explanation: hope it helps
Vittoria Colonna represented renaissance ideals because Vittoria Colonna was a well known writer, the first secular woman to achieve a high level of literary status in Italy for venacular production, and her example opened the way for subsequent women writers to publish in all manner of genres. She devoted her later years to religion and literature, Michelangelo called her his "sun of suns" and credited her strength for lifting him closer to God.