What is an antonym for earnest

frivolous
serious
sincere

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"?

Read the excerpt from “the railroad earth.” o well anyway i'll be learning eventually to like the railroad and sherman will like me some day, and anyway another day another dollar. the narrator of this excerpt can best be described as friendly. optimistic. wealthy. intelligent.

3. what differences do you see in the statistics between the two cities? what factors might account for the differences you see?