Which line from Act I of The Importance of Being Earnest is an epigram?

Read this sentence from the story of my life by helen keller. the most important day i remember in all my life is the one on which my teacher, anne mansfield sullivan, came to me. which element of plot does this sentence best represent?

Andy bernard laughed at my joke, spitting out his water. complete thought incomplete thought

Americans were concerned about being drawn into another war in europe. how well did president roosevelt address conflicting evidence and viewpoints? use textual evidence from the speech to support your ideas.