People are starting to get too into electronics and need to use the better things like books and papers, not Google and Chrome. With this,people are actually getting dumber and are starting to do bad with technology. if you use books and papers, you will memorize things better and be smarter than most people because everyone is so into technology now in days. I hope this helped you!
The correct answer to this open question is the following.
Although the question does not provide any options, we can say that the ethical standard that waiting to propose the study violates is "Informed Consent to Research."
In this case, Professor Hammond, first, had to inform the students about the study she was doing so the students were aware of this situation is class. So once she notified the class about her research, then ask them their consent to participate in the study. They probably had to sign a document that serves as an agreement of their participation. The students then would be aware of the details of the research and they would decide if they want to be part of the study. That is the ethical way to proceed.
I think is the second one, two countries impose tariffs on each others products because a trade war is an economic conflict resulting from extreme protectionism in which states raise or create tariffs or other trade barriers against each other.