- Failure of the League of Nations
- Absent Powers-keys countries i.e USA were not in the League.
- Ineffective sanctions-sanctions either weren't used or didn't work
- Lack of armed forces-League had no troops of its own.
- Unfair Treaty-League's job was to enforce treaties that some members thought were unfair
- French and British self-interest - they looked after their own interests rather that the League's