Janie is taking an exam in her history class. On the exam, there is a question that asks her to state and discuss the five major
causes of the Trans-Caspian War. Janie remembers four of them. She knows there is a fifth and can almost remember it; she knows that it starts with a "T." Janie is walking down the stairs, when all of a sudden, she remembers that the fifth point is taxes, but it is too late. Janie was suffering from ________.
Tip-of-the-tongue phenomenon: In psychology, the term "tip-of-the-tongue phenomenon is described as an individual's subjective feelings that he or she is confident enough of knowing certain things or the target word for which he or she is trying to search but still not able to recall that particular word. However, the person is able to recall a specific word that is related to the target word because it sounds similar.
In the question above, Janie was suffering from the tip-of-the-tongue phenomenon.
Improved technology allows to create more goods and to increase the efficiency of providing services (answer d.) and this is they way that it increases standards of living. If there are more goods and services then more people have an access to them.
Although the 1800s in the United States seems like it was limited in opportunity by today's standards, it was much easier to make a living during this time in US than it was in China.