What would be a solution for the Rwandan genocide?

In April 1994, when Rwanda erupted into violence, neighbor turned on neighbor, family turned on family, and love turned to hate. The Rwandan genocide turned friends into enemies. The once beautiful country was as ruined as any spot on earth — 800,000 people were brutally slaughtered in 100 days. How could the people of Rwanda ever overcome such hatred and horror? It would take a miracle.

World Vision began relief and development work in war-ravaged Rwanda in 1994. In 1996, when thousands of families began to return to their villages in Rwanda, World Vision started a reconciliation and peacebuilding department. Hostility slowly yielded to faith and forgiveness, restoring communities and relationships

The answer is a price setter because they are the ones they add on the price.