So that it isn’t biased and people make sure the law is actually worthy and not something insignificant
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.
The answer should be the first given “These weapons of mads destruction are capable of killing thousands of people in one attack.”