In about the middle of his speech, in the 34th paragraph, Ban Ki-moon recites two sentences: “Each time we hear 'never again'. But can we truly say we have learned the
lessons of these tragedies?” Why does he place such a focus on what people say and how
does he use these questions to reinforce the text structure of problem and solution?

The conventions of a number of the states, having at the time of their adopting the constitution, expressed a desire, in order to prevent misconstruction or abuse of its powers, that further declaratory and restrictive clauses should be added: and as extending the ground of public confidence in the government, will best ensure the beneficent ends of its institution. what is meant by the phrase "further declaratory and restrictive clauses"?

Ineed quick me on this one and others

Write about a scientist and present information including a short biography, contribution,their scientific achievements and contribution to science