[In America] individuals of all nations are melted into a new race . . . whose labors . . . will one day cause great changes in the world." what does this quote mean

How do i can change this sentence : a modern physician in a small town not only is proficient in general medicine but surgery as well. to parallel structure?

1. a poem that tells a story irony 2. taking on human characteristics narrative 3. a direct comparison between two things personification 4. words that are opposite the thoughts in a speaker's mind simile 5. implied comparison introduced with "as" and "like idiom 6. one's own manner of speaking metaphor

Complete the paragraph about imperialism