Which metrics section shows the changes made to your campaign,which optimization s were made,andbywhom?

The Activity history section provides a detailed log of all changes made to your campaign, including modifications to settings, optimizations applied, and the user who performed each action. This is crucial for auditing, understanding performance shifts, and team collaboration. Audience details focuses on demographic and interest information about your target audience, not campaign changes. Breakdown by creative analyzes performance metrics for individual ad creatives, not the history of campaign modifications.