Things such as "if man is not to be compelled to have recourse, as a last resort, to rebellion against tyranny and oppression, that human rights should be protected by the rule of law", and " it is essential to promote the development of friendly relations between nations". Dolphins simple can't grasp these concepts on the macro level.
I do believe that you sell them short. They are organized. They participate in warfare. If you doubt their intelligence you should watch documentaries on their hunting parties and the coordination of their actions.
