Answer:
b she is very dedicated to her piano playing
Answer: “Tony cooked dinner and I made the salad, but Mike just ate.”
NOTE: The third option is 100% incorrect, but from the other two, it is quite confusing. Option 1 applies more to a compound sentence, but it can be Option 2 as well, because it makes sense too.
A is the answer. To this question
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.
Possibly because they wanted their jobs back. Back in the day, employers hired and underpaid immigrants and therefore firing white people that were paid more. Since immigrants accepted less pay, for the same work done by a white person, white people wanted the immigrants to be fired so they could get their jobs back.