The outlawing of slavery and extending voting rights to women seem to indicate that ethics can have beneficial results.

The outlawing of slavery and extending voting rights to women seem to indicate that ethics can have beneficial results. Give an example from the past that indicates a similar result or a current social policy that might be regarded as wrong, which therefore needs to be changed. Give your reasons and indicate which ethical theory you believe provides the best support for your view. Respond in approximately 100 words.

The outlawing of slavery and extending voting rights to women seem to indicate that ethics can have beneficial results.