Marking brainliest! in the poem "choices" what does she mean by the first stanza

The correct word to complete the sentence

What is the meaning of "full tide" as it is used in this sentence? before i could explain to her the differences of language in this world, she was embarked on the full tide of another subject. a long and involved argument an inaccurate representation a detailed and lively discussion an uncontrollable flood

Why are reading and writing necessary in today’s world