For example: to have diplomatic initiatives to diffuse the tensions between ethnic groups and encourage peacekeeping initiatives between these rival groups; to introduce positive information to counter the negative information that is being spread; to have an international arms registry that deals with specific arms, which would go a long way to adding a measure of transparency and accountability where there are military organizations.
Having an international arms registry will  help to  diffuse the tensions between ethnic groups.
Having an international arms registry will help to diffuse the tensions between ethnic groups because each side won't think the other has something they don't.