When is 1500 plus 20 and 1600 minus 40 the same thing?

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"?

What is one purpose of the prologue in sugar changed the world

Meeee i’m in need of answerering this