Satellites.
Satellites allowed these stations to broadcast.
-Steel jelly
Immigrants that first arrived in the United States may have felt hopeful - Here was there chance to start anew in another land! Free to exercise their own rights!
However, newly arrived immigrants may also have felt anxious. They didn't know the lay of the land, they weren't aware of all of the laws, and they also had to deal with the natives accusing them of stealing work simply because the immigrants would work for a lower pay.
I believe the answer choice is, A
It was positive because it help us understand why did they fought about and how they fight over there country.