Both the United Nations and the Hague Tribunal proved to be ineffective in preventing World War I true or false

Correct answer is TRUE.

Explanation:

Well, it is hard to observe this statement as this two institutions didn't exist before WW1.

United Nations were established after WW2 with a goal to prevent conflict, which was a goal of League of Nations before them.

On the other side the Hague tribunal was created with this institutions with a goal to put in front of the court war criminals.

i think the answer is : the declaration of rights and grievances

hope i

-lavira : )

the spanish  

hope this meaning spain btw