After 1830 the urban areas of the country grew more rapidly than the rural areas. By 1890 industrialization had produced substantial growth in cities, and 35 percent of Americans lived in urban areas, mostly in the northern half of the United States.
She relies on tom far too much. she doesn’t take into account the possibility that he MIGHT NOT BE ABLE TO HELP her, in spite of his willingness to do so.
answer: might not be able to help
He uses hypens to create shorter sections of sentences to make the passage seem more fast paced and tense when read