The answer is Katana and Shuriken.
Answer: It is the 3th one Alliances required nations to defend each other against aggression.
Explanation: That's what a alliance about helping one another.
Social transformation hope this is the right answer
Well first of all we won the war so we are able to pursue and press charges in the court of law. The evidence is huge and the unprovoked aggression of the germans in France and Czech had to be used in trial against the germans.