Answer:
Thanks for the points, if you would have posted the video too in the attachment I would answer by listening it but.. I hope you understand
I think it is A. Because the factory owners would do anything to make more money. (they were greedy)
In the late 1940s, the United States responded to the growing threat presented by the Soviet Union by trying to stem the tide of Communism by supporting and propping up governments that opposed Communism.
John Adams passed the act so it is harder for people to come in the country for safety of its people. Hope this Helps :)