That we need to learn the cultures
It would make many other people lose their jobs because the machine would replace them.
I believe the answer is: A. Article IV grants powers to states while limiting the powers of the federal government.
Article IV stated that <em>Full Faith and Credit shall be given in each State to the public Acts, Records, and judicial Proceedings .</em>
This mean that this article granted the states the autonomy to regulate themselves by allowing them to make their own acts, economic policies, and court proceedings, while reducing the federal influence over these matters.