The League of Nations
- 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.
- Worked to stamp out leprosy.
- Campaign to get rid of mosquitoes.
- 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.