More info please or we cant answer the question
The Knights of Labor use for targeting Chinese workers because Chinese Workers drove down wages , <span>Chinese workers took their jobs and Chinese workers undercut white workers. Answer: B)All of </span> the above .
The whites did not want the Chinese to own businesses because the Chinese were willing to work at cheaper wages and therefore the whites created the Knight of Labor.
I believe the right answer is the Thirty year war. Hope this can help :-)