Original sentence: It was researched in Harvard that Affirmative Action was beneficial to the under-privileged  It has been found that Blacks who enter elite institutions with lower test scores and grades than those of whites achieve notable successes after graduation
Edited sentence: It also has been proven in Harvard that Affirmative Action was not just beneficial to the under-privialged, but it also helped the researchers to discover new visions in their research It has been found that Blacks who enter elite institutions with lower test scores and grades than those of whites achieve notable successes after graduation