You can use any of the following to back up your answer:
Refugees
- Managed to return a lot of refugees back to their home land
Working conditions - ILO (international labour organisation) successful in:
- Limiting children's working hours
- Banning white lead from paint
- Campaigning for improved working conditions
Health
- Worked to stamp out leprosy
- Campaign to get rid of mosquitos
Transport
- Recommended marking shipping lanes
- Produced international highway code
- Social Problems
- Blacklisted companies involved in illegal drug trade
- Freed 200,000 slaves in Sierra Leone
- Challenged forced labour for railway building in Africa
- Looked into problems such as slavery, prostitution, and drug trafficking.