Why does Langston Hughes make the diction choices that he does make here in “Mother to Son?”

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

Based on this excerpt the authors are most likely to attempt to answer which question

Blogs differ from most other online text sources because they o focus on news and information. allow readers to interact with each other. are usually updated every day. can be updated with new information.