Answer: I think the answer is Riverbed. Let me know if I'm right or not.
I believe the correct answer from the choices listed above is option C. An important factor in the development of the British Empire in the 19th century was its naval supremacy. At this time, it emerged as the principal naval and imperial power (with London the largest city in the world from about 1830). Hope this answers the question.
The story behind the Trail of Tears. That everywhere they cried on the way, a flower grow.
The best answer is A. Violent riots were started in several Chinatowns by nativists who were angry and resentful of newcomers. Nativists believes in focusing in the protection of the interests of the native people or the original inhabitants in an area. They are always against newcomers or immigrants.