A campaign's ideological effectiveness primarily aims to:

The correct choice focuses on the campaign's goal of addressing social issues by targeting problems at the individual level. Ideological effectiveness is often about transforming beliefs, attitudes, and behaviors within a population. This entails raising awareness and educating individuals about the social issues at play, encouraging them to engage with and address these issues in their own lives.

By aiming to fix social problems at an individual level, campaigns can foster change that may ripple through communities and ultimately impact broader societal structures. This strategy emphasizes the importance of personal connection and engagement, which can lead to more sustainable change as individuals begin to understand their role and responsibility in addressing social challenges.

While the other options may pertain to broader goals of campaigns, they do not encapsulate the essence of ideological effectiveness as it relates specifically to instilling change at the micro or individual level. Legal reforms, economic growth, and corporate visibility focus on structural or institutional changes rather than the transformative, grassroots approach that ideological effectiveness seeks to promote within personal contexts.