Identify the type of irony in this example “ extremely moderate” hyperbole paradox understatement

In his adaptation of this excerpt, laurence olivier uses high cliffs as a a background and he holds onto a knife. what's effect do these choices have?

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"?

Why is reasoning relivant to reading and evaluate text?