<span>In The River Merchant's Wife: A Letter, poem the speaker goes from the past tense to the present tense with the line for example the line "The monkeys make sorrowful noise overhead. The monkeys noise mirrors the wife loneliness.</span>
I think it's not valid because it doesn't say everything with six legs is an insect. As it is, the banquet table and insects just share a common trait. So, I would add that "Everything with six legs is an insect" before claiming that "the banquet table is an insect".
“The United States was slower than Great Britain to fully embrace the changes”. (First paragraph, 3rd sentence). This sentence does not add to the point of the paper which is that the industrial revolution urbanized the US. This sentence is unrelated and can easily be removed without affecting the author’s explanation.